Windows 11 running slow, laggy, or unresponsive? Learn the best Windows 11 optimization tweaks to speed up your PC, improve responsiveness, reduce lag, and boost overall performance.
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Windows 11 Running Slow? Fix It NOW! (Make Your PC Faster)
Is your Windows 11 PC taking forever to boot, freezing randomly, or feeling sluggish when opening apps?
You're not alone.
Over time, Windows 11 can become slower due to startup bloat, background apps, temporary files, outdated drivers, and poor system settings. Even powerful gaming PCs can lose performance if they're not optimized properly.
You may notice:
- Slow startup times
- Lag when opening programs
- Delayed clicks and responses
- High RAM usage
- Random stutters
- Reduced gaming performance
- High disk usage
The good news?
Most Windows 11 performance problems can be fixed in less than 30 minutes without upgrading your hardware.
Let's optimize your PC step by step.
Why Is Windows 11 Running Slow?
Before applying fixes, it's important to understand the cause.
Common Reasons Windows 11 Becomes Slow
- Too many startup programs
- Background applications consuming resources
- Temporary and junk files
- Outdated drivers
- Low available storage
- Windows visual effects
- Malware or unwanted software
- Power-saving settings
- Thermal throttling
In many cases, multiple small issues combine to create a noticeable slowdown.
Fix 1: Disable Unnecessary Startup Programs
Startup apps are one of the biggest reasons PCs become slow.
How to Disable Startup Apps
- Press Ctrl + Shift + Esc
- Open Startup Apps
- Disable unnecessary programs
Common Examples
- Discord
- Spotify
- Steam
- Epic Games Launcher
- Adobe Creative Cloud
- RGB software
- Updaters and launchers
Why It Helps
Reduces boot time and frees up RAM immediately after startup.
Fix 2: Delete Temporary Files
Windows stores thousands of temporary files that often serve no purpose.
Method 1
Press Windows + R
Type:
temp
Delete everything inside.
Method 2
Press Windows + R
Type:
%temp%
Delete everything inside.
Method 3
Open:
Settings → System → Storage → Temporary Files
Remove unnecessary files.
Why It Helps
Frees storage space and removes outdated cache data.
Fix 3: Enable High Performance Power Plan
Many PCs are set to Balanced mode.
Change It
- Open Control Panel
- Power Options
- Select:
High Performance
Or:
Ultimate Performance
Why It Helps
Allows your CPU to run at higher frequencies when needed.
Fix 4: Turn Off Unnecessary Visual Effects
Windows animations look nice but consume resources.
Steps
- Press Start
- Search:
Adjust the appearance and performance of Windows
- Open it
- Select:
Adjust for best performance
Or manually disable:
- Animations
- Transparency
- Fade effects
Why It Helps
Reduces CPU and RAM usage.
Fix 5: Optimize Storage
A nearly full drive can make Windows extremely slow.
Recommended Free Space
Keep at least:
- 20% free space on SSDs
- 15% free space on HDDs
Enable Storage Sense
Settings → System → Storage → Storage Sense
Turn it ON.
Why It Helps
Automatically removes unnecessary files.
Fix 6: Update Drivers
Outdated drivers often cause performance issues.
Important Drivers to Update
Graphics Drivers
- NVIDIA
- AMD
- Intel
Chipset Drivers
Motherboard manufacturer website
Network Drivers
Wi-Fi and Ethernet adapters
Why It Helps
Improves stability, compatibility, and performance.
Fix 7: Disable Background Applications
Many apps continue running even when closed.
Check Task Manager
Press:
Ctrl + Shift + Esc
Look for programs consuming:
- CPU
- RAM
- Disk usage
Close anything unnecessary.
Why It Helps
Reduces resource consumption.
Fix 8: Enable Gaming Features
Even non-gamers can benefit from these settings.
Game Mode
Settings → Gaming → Game Mode → ON
Hardware Accelerated GPU Scheduling (HAGS)
Settings → System → Display → Graphics
Enable if supported.
Why It Helps
Improves scheduling and responsiveness.
Fix 9: Scan for Malware
Hidden malware can significantly slow your PC.
Run a Full Scan
- Open Windows Security
- Virus & Threat Protection
- Full Scan
Why It Helps
Removes malicious processes consuming resources.
Fix 10: Reduce Browser Resource Usage
Modern browsers can consume several gigabytes of RAM.
Best Practices
- Close unused tabs
- Remove unnecessary extensions
- Enable Memory Saver in browsers
Why It Helps
Frees RAM for Windows and games.
Fix 11: Check Temperatures
Overheating causes automatic performance throttling.
Recommended Temperatures
CPU
Below 85°C
GPU
Below 80°C
If Temperatures Are High
- Clean dust filters
- Improve airflow
- Replace thermal paste if needed
Why It Helps
Prevents performance drops caused by throttling.
Bonus: Best Windows 11 Settings for Gaming
If you're a gamer, these settings help even more.
Disable Xbox Game Bar (If Unused)
Settings → Gaming → Xbox Game Bar
Turn OFF.
Keep Games on SSD
Improves:
- Loading times
- Asset streaming
- Open-world performance
Close Launchers Before Gaming
Examples:
- Steam (after game launch)
- Epic Games Launcher
- Battle.net
Pro Tips for Maximum Performance
Restart Your PC Weekly
Clears memory buildup and background processes.
Keep Windows Updated
New updates often include performance improvements.
Uninstall Programs You Don't Use
Unused software can consume storage and background resources.
Upgrade to SSD
If you're still using a traditional HDD, an SSD provides the largest performance improvement available.
Common Mistakes to Avoid
Installing "PC Booster" Software
Most optimization tools provide little benefit and sometimes cause issues.
Disabling Random Windows Services
Can break functionality and stability.
Running With Less Than 10% Free Storage
Often causes major slowdowns.
Ignoring Driver Updates
Can lead to performance and compatibility problems.
FAQ Section
Why is Windows 11 slower than before?
Usually due to startup programs, temporary files, outdated drivers, or low storage space.
Does deleting Temp files improve performance?
Yes. It can free storage and remove unnecessary cache files.
Is High Performance mode worth using?
Yes, especially for gaming and demanding applications.
Should I disable visual effects?
If performance matters more than appearance, absolutely.
What gives the biggest speed boost?
For most users:
- Disabling startup apps
- Installing Windows on an SSD
- Freeing storage space
- Updating drivers
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