A slow Windows 11 PC can be incredibly frustrating, especially when it was running fine just a few months ago. I’ve seen this happen on both brand-new laptops and older desktops used for everyday tasks. Simple actions like opening a browser, switching apps, or even clicking the Start menu start to feel painfully slow. Most users assume the only solution is buying new hardware or taking the PC to a repair shop.
In reality, Windows 11 slows down for very common reasons—too many startup apps, low storage space, outdated drivers, or unnecessary background processes. The good news is that you can fix many of these issues yourself with safe, built-in tools. This guide explains easy, practical ways to speed up a slow Windows 11 PC without risking your data or making complicated changes.
Check Startup Apps and Disable the Unnecessary Ones
Too many startup programs are one of the biggest causes of slow boot times.
How to Manage Startup Apps
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Press Ctrl + Shift + Esc to open Task Manager
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Go to the Startup tab
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Disable apps you don’t need at startup
Why This Works
Startup apps run in the background and use memory from the moment your PC turns on.
Common mistake: Disabling essential system or security-related apps.
Free Up Disk Space
Low storage can slow down Windows 11 more than most people realize.
Use Storage Settings
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Open Settings > System > Storage
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Turn on Storage Sense
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Delete temporary files safely
Why Disk Space Matters
Windows needs free space for updates, caching, and smooth performance.
Tip: Keep at least 20% of your drive free for best results.
Restart Your PC Regularly
Many users rarely restart their computers.
What Restarting Fixes
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Clears temporary memory
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Stops stuck background processes
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Applies pending system updates
Real-World Advice
Restart your PC at least once a week, especially if you use sleep mode daily.
Update Windows and Drivers
Outdated software often causes slowdowns.
Update Windows 11
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Go to Settings > Windows Update
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Install all recommended updates
Update Device Drivers
Check drivers for graphics, network, and storage devices.
Why This Helps: Updates fix bugs and improve system compatibility and speed.
Adjust Visual Effects for Better Performance
Windows 11 uses animations that look nice but use resources.
Change Performance Settings
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Search for Performance
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Select Adjust the appearance and performance of Windows
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Choose Adjust for best performance
Result
You may lose some visual effects, but your PC will feel noticeably faster.
Scan for Malware and Unwanted Programs
Hidden malware can slow down your system.
Use Built-In Security
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Open Windows Security
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Run a Full Scan
Why This Is Important
Malicious software runs silently and consumes system resources.
Common mistake: Ignoring security warnings or disabling antivirus protection.
Reduce Background Apps
Some apps keep running even when you’re not using them.
How to Limit Background Activity
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Go to Settings > Apps > Installed apps
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Change background app permissions where possible
Why It Works
Reducing background tasks frees up memory and CPU usage.
Check Power and Performance Mode
Power settings affect speed.
Switch to Best Performance
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Go to Settings > System > Power & battery
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Select Best performance
Tip
Use this setting when plugged in, especially on laptops.
Upgrade Hardware (Only If Necessary)
If your PC is still slow after software fixes, hardware may be the issue.
Best Upgrades
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Add more RAM
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Switch from HDD to SSD
Honest Advice
Even an older PC feels much faster with an SSD and enough memory.
Expertise & Trust: Best Practices for Long-Term Performance
From hands-on experience, consistent maintenance matters more than one-time fixes. Keep your system updated, avoid installing unnecessary software, and clean up storage every few months. Don’t rely on “PC booster” tools—they often create more problems than they solve.
Stick to built-in Windows tools and make small, informed changes. Windows 11 is stable when maintained properly, and most performance issues build up gradually due to neglect rather than system flaws.
Frequently Asked Questions
Why is my Windows 11 PC slow after updates?
Updates can temporarily slow the system while background tasks finish.
Does resetting Windows 11 improve speed?
Yes, but it should be a last resort after trying basic fixes.
How much free storage does Windows 11 need?
At least 20% free space is recommended for smooth performance.
Is Windows 11 slower than Windows 10?
Not necessarily. Performance depends more on hardware and maintenance.
Can disabling animations really help?
Yes, especially on older or low-end systems.
Conclusion
A slow Windows 11 PC doesn’t automatically mean failing hardware. In most cases, performance issues come from startup apps, low storage, outdated software, or unnecessary background activity. By following these easy and safe steps, you can noticeably improve speed without technical skills or extra cost.
Focus on regular maintenance rather than quick fixes. Small habits—like restarting weekly, managing storage, and keeping updates current—make a big difference over time. With the right approach, your Windows 11 PC can stay fast, stable, and reliable for everyday use.