How to Fix Windows 11 Slow Performance (Updated Guide)

Is your Windows 11 PC running slow, lagging, or taking forever to boot? You’re not alone. Many users experience performance issues after updates, app installs, or long-term use. In this updated guide, you’ll learn how to fix Windows 11 slow performance using safe, proven methods—no risky software, no tech skills required.

Why Windows 11 Becomes Slow Over Time

Common reasons include:

• Too many startup programs
• Low disk space
• Background apps consuming RAM
• Outdated drivers or Windows updates
• Visual effects using system resources
• Malware or unwanted apps

Let’s fix them step by step 👇

How to fix Windows 11 slow performance

Step 1: Restart Your PC (Don’t Skip This)

A simple restart can:

• Clear RAM
• Stop stuck background processes
• Apply pending updates

👉 If you haven’t restarted in days, do this first.

Step 2: Disable Unnecessary Startup Apps

Startup apps slow down boot time and overall performance.

1. Press Ctrl + Shift + Esc to open Task Manager
2. Go to Startup apps
3. Right-click unnecessary apps
4. Click Disable

Apps safe to disable:

• Music players
• Chat apps
• Game launchers
• Auto updaters (non-Microsoft)

🚀 Faster boot = faster PC.

Step 3: Free Up Disk Space (Critical)

Low storage = slow Windows.

1. Settings → System → Storage
2. Click Temporary files
3. Select all safe options
4. Click Remove files

Also:

• Empty Recycle Bin
• Delete old downloads
• Uninstall unused apps

💡 Aim for at least 20–25 GB free space.

Step 4: Turn Off Visual Effects for Better Speed

Windows 11 animations look nice—but use system resources.

1. Press Win + R, type sysdm.cpl
2. Go to Advanced → Performance → Settings
3. Select Adjust for best performance
4. Click Apply → OK

🧠 Result: Less animation, more speed.

Step 5: Update Windows and Drivers

Outdated software can cause lag.

Update Windows:

• Settings → Windows Update
• Click Check for updates

Update drivers:

• Open Device Manager
• Update:
  • Display adapter
  • Storage controller
  • Network adapter

🔄 Updates often include performance fixes.

Step 6: Reduce Background Apps

Some apps run silently and slow your system.

1. Settings → Apps → Installed apps
2. Click the three dots next to an app
3. Select Advanced options
4. Set Background app permissions → Never

Do this for non-essential apps only.

Step 7: Scan for Malware and Unwanted Programs

Malware can heavily slow Windows.

1. Open Windows Security
2. Go to Virus & threat protection
3. Click Quick scan

Optional:

• Use Full scan if system is very slow

🛡️ No need for paid antivirus for most users.

Step 8: Set Power Mode to Best Performance

Especially important for laptops.

1. Settings → System → Power & battery
2. Power mode → Best performance

⚡ Improves speed (uses more battery).

Step 9: Check RAM & Upgrade If Needed (Optional)

If your PC has:

• 4 GB RAM → performance will struggle
• 8 GB RAM → minimum recommended
• 16 GB RAM → smooth experience

💡 Adding RAM is one of the best upgrades for slow PCs.

Step 10: Reset Windows 11 (Last Option)

If nothing works:

1. Settings → System → Recovery
2. Click Reset this PC
3. Choose Keep my files

⚠️ Apps will be removed—backup important data first.

How Much Speed Improvement Can You Expect?

Typical results:

• Startup time: 30–60% faster
• App opening speed: Noticeably smoother
• Reduced lag & freezing

Final Thoughts

Knowing how to fix Windows 11 slow performance can save you money and frustration. Most performance issues are software-related and can be fixed in under an hour.

👉 Best Practice:

• Monthly storage cleanup
• Limit startup apps
• Keep Windows updated

Vinod Kumar

Hi, I’m Vinod Kumar, the creator of Learn With Vinod. I love exploring technology and breaking it down into simple, useful tutorials anyone can follow. On this website, you’ll find content about Windows tricks, AI tools, blogging, and practical tech tips that save time and make life easier. I believe learning should be simple, practical, and accessible for everyone.