18 Windows 11 Settings Worth Changing for Privacy, Speed & Better Control
Table of Contents
- Before You Start: Don't 'Optimize' Windows Blindly
- 1. Give the Start Menu a Cleanup
- 2. Stop Unnecessary Notifications From Interrupting You
- 3. Don't Let Your Lock Screen Reveal Private Information
- 4. Review Windows Personalization and Advertising Controls
- 5. Decide Whether You Want Typing and Inking Personalization
- 6. Review Optional Diagnostic Data
- 7. Audit Which Apps Can Access Your Location, Camera and Microphone
- 8. Reduce Background Activity From Apps You Do Not Need Running
- 9. Be More Careful About Where Applications Come From
- 10. Clean Up Windows Startup Programs
- 11. Make File Extensions Visible
- 12. Review Delivery Optimization
- 13. Make Windows Update Restarts Less Disruptive
- 14. Match Power Mode to What You're Actually Doing
- 15. Do Not Disable User Account Control Just to Stop the Prompts
- 16. Turn Off Background Game Recording If You Never Use It
- 17. Set Up Night Light If You Prefer a Warmer Display
- 18. Turn On Clipboard History
- Which Windows 11 Tweaks Actually Make the Biggest Difference?
- 5 “Optimization” Mistakes We Do Not Recommend
- What to Do If Your Windows 11 PC Is Still Slow
- The KCROC Windows Optimization Method
- KCROC's Windows 11 Optimization Checklist
- Final Takeaway: Do Not Debloat Windows. Maintain It.
- Need Help With a Slow Windows 11 PC?
Review 18 Windows 11 settings for privacy, startup speed, battery life, gaming, security, usability and background resource usage—without pretending every switch makes Windows faster.
Windows 11 comes with a lot of features enabled out of the box. Some make everyday computing easier. Others provide recommendations, collect diagnostic information, allow applications to run in the background, or keep services active that you may never use.
The problem isn't that Windows has these features. The problem is that most people never review them.
A Windows PC used for office work has different needs from a gaming desktop. A family laptop has different privacy requirements from a technician's workstation. And a computer struggling with heat or a failing SSD cannot be fixed simply by changing a few Windows switches.
KCROC Technician Tip
Windows 11 receives frequent feature and interface updates. A setting may move or have slightly different wording on your PC. If you cannot find an option in the path shown below, use the Windows Settings search box and search for the setting name.
Before You Start: Don't 'Optimize' Windows Blindly
Before changing anything, understand one important principle: A PC is not automatically better because more Windows features are disabled.
- Broken Windows components
- Update problems
- Missing functionality
- Driver issues
- Application compatibility problems
- Security weaknesses
- Difficult-to-diagnose instability
A professional optimization process is more conservative.
KCROC method
Identify the problem → change the relevant setting → test the result → keep or reverse the change.
If your computer is slow because an SSD is failing, disabling notifications won't fix it. If the CPU is overheating, changing startup applications won't repair the cooling system. If malware is consuming resources, turning off background apps isn't the solution.
We cover this same measure-first principle in more technical depth in Windows 11 Background Services You Can Audit in 2026, which applies it to individual Windows services like DiagTrack and SysMain rather than Settings-app switches. The rule is identical either way: identify the actual bottleneck before changing anything.
1. Give the Start Menu a Cleanup
The Windows 11 Start menu can show recommended content, recently added applications, frequently used apps, and account-related suggestions.
Review: Settings → Personalization → Start. Depending on your Windows 11 version, you may see controls for recommended items, recently added applications, frequently used applications, or suggestions. Disable the options you do not find useful.
What does this actually improve?
Mostly usability, not raw performance. Removing recommendations will not suddenly turn an old laptop into a fast one. The benefit is a less cluttered Start menu and fewer distractions.
KCROC recommendation: If you use Windows professionally, keeping the Start menu focused on the applications you actually use is worthwhile. Do not expect a measurable FPS or CPU improvement from this change.
2. Stop Unnecessary Notifications From Interrupting You
A computer can be perfectly fast and still feel frustrating if it constantly interrupts you.
Open: Settings → System → Notifications. Instead of automatically disabling every notification, go through the applications one by one and keep notifications that are genuinely useful.
- Shopping applications
- Promotional software
- Unused utilities
- Game launchers you rarely use
- Apps that constantly display recommendations
You can also configure Do not disturb for periods when interruptions are not welcome.
Technician's perspective
Notification control is primarily about focus and usability. It is not the same thing as preventing an application from running. If an application is consuming CPU or RAM in the background, investigate its processes or background permissions separately.
3. Don't Let Your Lock Screen Reveal Private Information
A locked computer should not automatically reveal the contents of private messages or other notifications.
Review: Settings → System → Notifications. Look for the option controlling notifications or notification content on the lock screen.
If the computer is used in an office, school, workshop, reception area, or shared environment, hiding notification content is a sensible privacy improvement.
Why we recommend checking this
Someone does not necessarily need your password to learn something from your computer. If a notification displays sensitive information on the lock screen, the information is already visible. This change has essentially nothing to do with performance; it is about privacy when your computer is unattended.
4. Review Windows Personalization and Advertising Controls
Windows includes personalization features that can use information such as application activity and language preferences to provide recommendations or personalized advertising.
Open: Settings → Privacy & security. Then review the available General and Recommendations & offers settings on your version of Windows.
- Advertising ID
- Personalized ads
- Language-list access
- App-launch tracking
- Suggested content
- Recommendations
Do not expect a performance miracle
Turning off an advertising identifier does not suddenly free gigabytes of RAM or make your processor faster. This is primarily a privacy and personalization decision.
KCROC's rule: Know what a setting actually does before calling it a performance tweak.
5. Decide Whether You Want Typing and Inking Personalization
Windows provides personalization features for typing and inking.
Depending on your Windows version, look under: Settings → Privacy & security → Inking & typing personalization. Review the available personalization controls. If you do not use personalized typing or inking features, you may prefer to disable the associated personalization option.
Your keyboard does not suddenly become more private because you change one switch, and you should not expect a significant performance improvement. The main consideration is how much personalization data you want Windows to use.
6. Review Optional Diagnostic Data
Windows collects diagnostic information to help Microsoft understand issues involving reliability, compatibility, updates, and system behavior.
Go to: Settings → Privacy & security → Diagnostics & feedback.
- Diagnostic data
- Optional diagnostic data
- Feedback frequency
- Personalized experiences, where available
- Diagnostic Data Viewer
- Deleting diagnostic data
Our recommendation
For most personal computers, there is no need to aggressively disable Windows' core diagnostic functionality. If you do not want to provide optional diagnostic information, review the available controls and keep the required data setting intact. Reducing optional diagnostic data is primarily about data sharing and privacy — it should not be advertised as a major speed upgrade.
This toggle controls diagnostics from the Settings app. If you want the technical, service-level view of the same underlying component — including its documented network endpoints and a real CVE tied to a related Windows health service — see Windows 11 Background Services You Can Audit in 2026, which covers DiagTrack and WHESVC in depth.
7. Audit Which Apps Can Access Your Location, Camera and Microphone
One of the most useful Windows privacy exercises is simply asking: Why does this application need access to this?
Open: Settings → Privacy & security. Review permissions such as:
- Location
- Camera
- Microphone
- Contacts
- Account information
- App diagnostics
- Other available permissions
A video-conferencing application may legitimately need your microphone and camera. A navigation application may need location. A basic calculator should not normally require either.
KCROC privacy principle
Permissions should match the job an application actually performs. Do not disable important permissions just because they exist. Review them intelligently.
8. Reduce Background Activity From Apps You Do Not Need Running
Some applications continue doing work even when you are not actively using them.
Depending on the application and Windows version, look under: Settings → Apps → Installed apps. Open the application’s Advanced options when available and review its background permissions.
For an application that does not need to synchronize, notify, or perform background tasks, limiting its background activity can make sense.
Where this can help
Reducing unnecessary background activity can sometimes help with RAM usage, CPU activity, battery consumption, and network usage.
But Windows does not expose identical background controls for every application.
Don't disable everything
Cloud storage, security tools, communication software, synchronization utilities, and other applications may have legitimate reasons to remain active. If you want to find the real culprit behind high resource usage, use Task Manager → Processes and look at actual CPU, memory, disk, and network consumption instead of guessing.
9. Be More Careful About Where Applications Come From
Windows can provide controls for restricting application installation sources.
Go to: Settings → Apps → Advanced app settings. Look for Choose where to get apps.
A more restrictive configuration can be useful on computers used by children, inexperienced users, or organizations that want tighter software control.
- Hardware manufacturers
- Software developers
- Business vendors
- Game publishers
- Professional applications
KCROC recommendation
The most important rule is not “Microsoft Store only.” It is: Know what you are installing and verify where it came from.
10. Clean Up Windows Startup Programs
If your computer takes several minutes to become usable after logging in, startup applications deserve attention.
Press Ctrl + Shift + Esc, then open Task Manager → Startup apps. Review everything that launches automatically.
- Cloud applications
- Game launchers
- Manufacturer utilities
- Updaters
- Communication software
- Software you installed months ago and forgot about
Disable applications that do not need to start with Windows. Unlike many cosmetic tweaks, startup cleanup can produce a noticeable improvement in the time it takes a busy Windows installation to become responsive.
Don't disable entries simply because you don't recognize them
If you are unsure about a startup item, identify the software first.
After changing startup programs:
- Restart Windows.
- Allow the desktop to finish loading.
- Test your normal applications.
- Check whether any hardware or software feature stopped working.
11. Make File Extensions Visible
This is one of our favorite small Windows changes because it improves security awareness rather than performance.
Open File Explorer and go to the folder-view options. Under View, disable Hide extensions for known file types.
Now Windows will show the actual extension of files, for example document.pdf rather than simply document.
Why this matters
File extensions help you understand what you are actually opening. This is particularly useful when dealing with downloaded files and email attachments. A computer user who can see file extensions is better positioned to recognize suspicious file types.
KCROC recommendation
Leave this enabled permanently. There is very little downside for most users.
12. Review Delivery Optimization
Windows uses Delivery Optimization as part of its update-delivery system.
Open: Settings → Windows Update → Advanced options → Delivery Optimization. Review Allow downloads from other devices.
Depending on your configuration, you may be able to allow downloads from other PCs on your local network or from other devices more broadly.
It can matter if you are trying to control network traffic, bandwidth usage, update download behavior, or data usage on a limited connection.
Don't confuse this with Windows Update
Delivery Optimization is not a reason to disable Windows Update itself. Security and feature updates remain important.
13. Make Windows Update Restarts Less Disruptive
Windows updates are necessary, but a poorly timed restart can interrupt work.
Open: Settings → Windows Update → Advanced options. Review the restart and active-hours controls available on your Windows version.
A sensible approach
Let Windows install important updates. Configure your active hours around your normal schedule. Avoid permanently postponing security updates simply because updates are inconvenient.
For business PCs, unexpected restarts can be particularly disruptive. Configure Windows so that maintenance happens around your actual working schedule whenever possible. The goal is not to stop Windows from updating. It is to make updating predictable.
14. Match Power Mode to What You're Actually Doing
Windows 11 provides power controls under: Settings → System → Power & battery.
- Power mode
- Screen and sleep settings
- Battery usage
- Energy recommendations
- Application power usage
On battery
A more efficient power mode can help extend battery runtime when you are doing ordinary tasks such as web browsing, email, documents, or video playback.
When plugged in
A higher-performance mode can make more sense for demanding workloads.
Gaming laptops are different
If your gaming laptop is overheating, don't assume changing Windows power mode will solve the problem. Excessive temperatures can be caused by dust accumulation, blocked airflow, fan problems, thermal interface issues, high ambient temperature, CPU/GPU workload, or incorrect performance profiles.
Windows configuration and physical cooling are different problems
Windows power settings can affect performance and battery behavior, but they cannot repair a failing fan, blocked heatsink, dried thermal interface, or a cooling system overwhelmed by heat and dust.
15. Do Not Disable User Account Control Just to Stop the Prompts
User Account Control, commonly called UAC, exists for a reason.
Search Windows for User Account Control, then open Change User Account Control settings.
UAC helps prevent applications from making elevated system changes without user confirmation.
The common mistake
Some “optimization” guides recommend disabling UAC because the prompts are annoying. We do not recommend that approach. If an application constantly asks for administrator permission, find out why. Do not weaken a security mechanism simply because you do not like the notification.
KCROC recommendation
For normal Windows users, keeping UAC enabled is the sensible choice.
16. Turn Off Background Game Recording If You Never Use It
Windows provides gaming capture features that can operate in the background.
Go to: Settings → Gaming → Captures. Review the available background recording options.
If you never use Windows' background game recording, disabling it can eliminate unnecessary capture activity.
This is more relevant for competitive gamers, lower-powered gaming PCs, systems already close to CPU/GPU limits, and users trying to minimize unnecessary background workloads.
But don't expect miracles
If your gaming PC has a modern CPU and GPU and already performs perfectly, disabling background recording may have little visible effect. Good optimization is about removing unnecessary work, not claiming every switch produces a huge FPS increase.
17. Set Up Night Light If You Prefer a Warmer Display
Open: Settings → System → Display → Night light. You can enable Night light manually or schedule it to activate automatically.
This changes the display's color temperature toward a warmer appearance.
What is it good for?
For many users, a warmer display is simply more comfortable during evening computer use. This is a display-comfort feature, not a Windows performance optimization. Use it if you like the result.
18. Turn On Clipboard History
This is one of the simplest productivity improvements in Windows 11.
Go to: Settings → System → Clipboard. Enable Clipboard history. Then press Windows + V to access previously copied items instead of relying only on the most recent clipboard entry.
Clipboard History can be particularly useful when copying commands, comparing configuration values, moving text between applications, working through troubleshooting instructions, or handling multiple pieces of information.
One privacy warning
Do not forget that clipboard contents can be sensitive. Be careful when copying passwords, authentication codes, API keys, private information, or financial information. Clipboard History is a productivity tool—not a secure password manager.
Which Windows 11 Tweaks Actually Make the Biggest Difference?
This is where many Windows optimization articles become misleading. The 18 settings above do not all have the same purpose.
Potentially meaningful performance improvements
Startup applications can improve startup responsiveness. Background applications can reduce unnecessary CPU, memory, battery, or network activity in certain situations. Power settings can affect performance versus battery life depending on the selected mode. Game capture features can matter on systems where CPU/GPU resources are already limited.
Mostly privacy improvements
- Advertising and personalization
- Diagnostic data
- Location permissions
- Camera permissions
- Microphone permissions
- Inking and typing personalization
Mostly usability improvements
- Start menu cleanup
- Notification management
- Lock-screen notification control
- Night Light
- Clipboard History
Security-related improvements
- Showing file extensions
- Reviewing application permissions
- Keeping UAC enabled
- Being careful about software installation sources
The distinction that matters
Not every useful Windows setting is a speed tweak. Some improve privacy, some reduce distractions, some can reduce unnecessary background activity, some improve startup or battery behavior, and some simply make Windows more convenient or secure to use.
5 “Optimization” Mistakes We Do Not Recommend
1. Disabling random Windows services
If you do not know what a service does, do not disable it because an online list calls it “unnecessary.” A service that looks irrelevant may support another Windows component or application.
2. Turning off Windows Security
A small theoretical resource saving is not worth creating a security problem. If Windows Security is consuming unusually high resources, investigate why rather than simply disabling protection.
3. Disabling Windows Update
Updates can occasionally be inconvenient. That does not make them unnecessary. Security fixes, compatibility updates, and reliability improvements are important parts of maintaining a Windows PC.
4. Running aggressive debloat scripts without a recovery plan
Some scripts modify services, registry entries, scheduled tasks, Windows components, applications, and privacy settings. If you do not understand every change, you may make future troubleshooting much harder.
5. Expecting software tweaks to repair hardware problems
This is perhaps the biggest mistake. A failing SSD is not fixed by disabling notifications. An overheating CPU is not repaired by turning off Clipboard History. Insufficient RAM is not solved by changing the Start menu. And malware does not disappear because you changed Windows privacy settings.
What to Do If Your Windows 11 PC Is Still Slow
If you have reviewed these settings and your computer remains slow, stop changing random options. Find the bottleneck.
Check CPU usage
Open Task Manager → Processes and look for applications or processes consuming unusually high CPU.
Check memory usage
If RAM remains heavily utilized during ordinary work, you may have a memory capacity problem rather than a Windows configuration problem.
Check storage
A nearly full or unhealthy storage drive can make Windows extremely sluggish. If disk usage is constantly high, identify the process causing it before assuming Windows itself is the problem.
Check startup behavior
If the computer is slow immediately after boot but becomes normal later, startup applications and background processes deserve particular attention.
Check for unwanted software
Unexpected browser behavior, unexplained CPU usage, excessive advertisements, or unfamiliar processes can indicate unwanted software or malware.
Check temperatures
If the computer starts fast but becomes slower under load, thermal throttling may be involved.
- Gaming laptops
- Gaming desktops
- High-performance CPUs
- Powerful GPUs
- Dusty systems
- Computers operating in hot environments
Check Windows health
If system files or Windows components are damaged, changing privacy settings will not resolve the underlying problem. At that point, Windows repair or a deeper diagnostic may be appropriate.
The KCROC Windows Optimization Method
We do not believe in changing 50 settings and hoping something improves. Our preferred approach is simple:
- Identify — What exactly is wrong? Is the PC slow at startup, during gaming, while browsing, or all the time?
- Measure — Use Task Manager, Windows diagnostics, storage-health information, temperature monitoring, and other appropriate tools to identify the bottleneck.
- Change — Modify only the settings relevant to the problem.
- Test — Restart the computer and reproduce the problem.
- Compare — Did the change actually improve anything?
- Revert when necessary — If a change causes instability or removes something you need, undo it.
Why this approach is safer
This method is slower than running a one-click “Windows Turbo Boost” script. It is also considerably safer.
KCROC's Windows 11 Optimization Checklist
Use this as a practical review rather than a list of switches you must blindly disable.
- Review Start menu recommendations
- Remove unnecessary notifications
- Hide sensitive lock-screen notifications
- Review advertising and personalization controls
- Review typing and inking personalization
- Review optional diagnostic data
- Audit location permissions
- Audit camera and microphone permissions
- Reduce unnecessary background application activity
- Review application installation sources
- Clean unnecessary startup applications
- Show file extensions
- Review Delivery Optimization
- Configure Windows Update active hours
- Match power mode to your workload
- Keep UAC appropriately configured
- Disable unused background game recording
- Configure Night Light if desired
- Enable Clipboard History if useful
Notice that the checklist contains 19 checks, even though the guide covers 18 main settings. That is intentional: the permissions section combines several related Windows privacy controls, and it is useful to audit them separately.
Final Takeaway: Do Not Debloat Windows. Maintain It.
Windows 11 does not need to be stripped down to the bare minimum to perform well.
A better strategy is to understand what your computer is doing and remove only the things you genuinely do not need.
Some changes in this guide improve privacy. Some reduce distractions. Some can reduce unnecessary background activity. Some improve startup or battery behavior. And some simply make Windows more convenient or secure to use.
The KCROC principle
Not every tweak makes Windows faster. The biggest performance improvements usually come from identifying the actual bottleneck. If your PC is slow because of excessive startup software, fix startup software. If it is overheating, investigate cooling. If storage is failing, address the storage problem. If malware is present, remove the underlying threat. If Windows is corrupted, repair Windows.
Good PC optimization isn't about disabling the most features. It's about making the right changes for the actual problem.
Need Help With a Slow Windows 11 PC?
If your computer is still slow, overheating, freezing, crashing, taking too long to start, or using unusually high CPU, memory, disk, or network resources after sensible Windows optimization, the problem may be deeper than a few settings.
KCROC provides professional computer troubleshooting and repair in Kuwait, including Windows problems, hardware diagnostics, performance issues, overheating, malware-related problems, and other PC faults.
Free pickup and delivery are available across Kuwait.
Find the cause first. Then fix it.
Do not spend hours randomly disabling system features when the real bottleneck may be software, Windows health, storage, thermals, or hardware.
Do all 18 Windows 11 tweaks make a PC faster?
Which Windows 11 settings are most likely to affect startup speed?
Should I disable UAC to make Windows less annoying?
Can privacy settings fix a slow Windows 11 PC?
Can Windows settings fix an overheating gaming laptop?
Should I run a debloat script to speed up Windows 11?
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