Why Windows 11 Becomes Slow

The most common reasons include:

• Too many startup applications
• Low free storage
• Background apps consuming RAM
• Outdated Windows or drivers
• Visual effects using extra resources
• Browser running in the background
• Battery mode limiting performance

The good news is that most of these can be fixed in a few minutes.

1. Disable Unnecessary Startup Apps

Every app that launches with Windows increases boot time.

Go to:

Settings → Apps → Startup

Turn Off apps you don’t need at startup, such as:

• Spotify
• Discord
• Adobe Creative Cloud
• Teams (if unused)
• Game launchers

Don’t disable:

• Windows Security
• Audio drivers
• Touchpad software
• Graphics drivers

Benefit: Faster startup and lower RAM usage.

2. Keep at Least 20% Storage Free

Windows performs noticeably better when the SSD isn’t almost full.

Check storage

Settings → System → Storage

Aim to keep:

• 20–25% free on SSDs
• At least 15 GB free on smaller drives

Delete:

• Downloads you don’t need
• Duplicate videos
• Old installers
• Temporary files

3. Turn On Storage Sense

Instead of manually cleaning files every week, let Windows do it automatically.

Settings → System → Storage → Storage Sense

Enable it and choose automatic cleanup.

It can remove:

• Temporary files
• Recycle Bin files
• Old Downloads (optional)
• Windows cache

4. Choose the Right Power Mode

Many laptops stay in power-saving mode even while plugged in.

Settings → System → Power & Battery → Power Mode

Choose:

• Best Performance when plugged in
• Balanced for everyday use
• Best Power Efficiency only when battery life is the priority

This can improve responsiveness on many laptops.

5. Reduce Visual Effects

Animations look nice but use system resources.

Settings → Accessibility → Visual Effects

Consider turning off:

• Animation effects
• Transparency effects

This is especially helpful on 8 GB RAM systems.

6. Remove Apps You Never Use

Unused software wastes storage and sometimes runs background services.

Settings → Apps → Installed Apps

Uninstall software you genuinely don’t use.

Examples:

• Trial antivirus
• Old games
• Duplicate media players
• Manufacturer bloatware (only if you’re sure)

7. Pause Background Apps

Some apps continue working even after you close them.

Check app background permissions where available and disable background activity for apps that don’t need it.

Focus on:

• Social apps
• Shopping apps
• News apps
• Entertainment apps

8. Update Windows Regularly

Performance improvements often arrive through Windows Update.

Settings → Windows Update

Install:

• Security updates
• Quality updates
• Feature improvements

Restart after updates instead of postponing them for weeks.

9. Optimize SSD (Not Defragment)

Modern SSDs should be optimized—not manually defragmented repeatedly.

Search:

Defragment and Optimize Drives

Select your SSD and click Optimize.

Windows automatically performs TRIM on SSDs.

10. Disable Browser Background Running

Chrome and Edge may continue running after you close them.

Chrome

Settings → System → Turn off Continue running background apps.

Edge

Settings → System and Performance → Disable background apps.

This can free RAM.

11. Restart Instead of Always Sleeping

Many users never restart their PC.

A restart clears:

• Temporary memory
• Stuck processes
• Driver issues
• Some update requirements

Try restarting your PC at least once every few days.

12. Turn Off Unwanted Notifications

Too many notification services create background activity.

Settings → System → Notifications

Disable notifications for apps you don’t need.

Keep important ones like:

• Banking
• Email
• Calendar
• Security

13. Check Task Manager Before Buying RAM

Press:

Ctrl + Shift + Esc

Look at:

• Memory
• CPU
• Disk
• Startup impact

If Memory constantly stays above 90%, upgrading RAM may help more than tweaking settings.

14. Use Windows Security Instead of Multiple Antivirus Apps

Running two antivirus programs can slow a PC.

For most users, Microsoft Defender is sufficient.

Avoid installing multiple real-time antivirus tools together.

15. Turn On Game Mode (Even for Some Non-Gamers)

Settings → Gaming → Game Mode

Game Mode helps Windows prioritize system resources during gaming and can reduce unnecessary background activity.

Keep it enabled if you occasionally play games.

Windows 11 Performance Checklist

• Disable unnecessary startup apps
• Keep 20% storage free
• Enable Storage Sense
• Use Best Performance when plugged in
• Reduce animations
• Remove unused apps
• Limit background apps
• Install Windows updates
• Optimize SSD
• Stop browser background apps
• Restart regularly
• Reduce notifications
• Monitor RAM in Task Manager
• Use one antivirus only
• Enable Game Mode

Which Setting Gives the Biggest Speed Improvement?

If you only do three things today, do these first:

1. Disable startup apps
2. Enable Storage Sense
3. Switch to Best Performance while plugged in

These usually provide the most noticeable improvement without changing hardware.

Frequently Asked Questions

Does Windows 11 need a PC cleaner?

No. Windows already includes Storage Sense, Optimize Drives and Windows Security. Most third-party cleaner apps are unnecessary.

Will disabling startup apps damage Windows?

No, as long as you don’t disable essential drivers or Windows Security.

Is 8 GB RAM enough for Windows 11?

Yes for normal use, but reducing startup apps and background activity becomes more important on 8 GB systems.

Should I defragment an SSD?

No. Use Windows’ Optimize Drives tool instead.

Final Verdict

You don’t need expensive software to make Windows 11 faster.

For most laptops, the biggest improvements come from managing startup apps, freeing storage, reducing unnecessary background activity and keeping Windows updated.

These settings are safe, reversible and work much better than many “one-click speed booster” applications.

Disclaimer: The settings in this guide are based on Windows 11 and may vary slightly depending on your Windows version, laptop manufacturer and hardware. None of these tips require third-party “PC cleaner” software.

If your Windows 11 laptop has become slow after a few months, don’t immediately blame the hardware.

Many PCs lose performance because of unnecessary startup apps, storage clutter, background processes and incorrect power settings—not because they need more RAM.

In this guide, you’ll learn 15 safe Windows 11 settings that can genuinely improve boot time, responsiveness and overall performance without installing any optimization software.