Best Windows Run Commands to Speed Up Your PC in 2026

A slow computer can reduce productivity and make everyday tasks frustrating. Fortunately, Windows includes several built-in Run commands and system utilities that can help improve performance without installing third-party software.

In this guide, you will learn the best Windows Run commands to clean temporary files, optimize startup programs, remove junk data, and improve overall system speed on Windows 10 and Windows 11 PCs.

Why Your Windows PC Becomes Slow

Over time, your computer stores:

• Temporary files
• Cache data
• Background startup applications
• Junk system files
• Unused software

These files consume storage, RAM, and CPU resources, which eventually slows down system performance.

Using Windows optimization commands regularly can help keep your PC fast and responsive.

Best Run Commands to Speed Up Windows PC

1. %temp% — Delete User Temporary Files

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The %temp% folder stores temporary files created by applications and Windows processes. Deleting these files can free up storage and improve performance.

Steps:

1. Press Windows + R
2. Type %temp%
3. Press Enter
4. Select all files using Ctrl + A
5. Delete all files

Benefits:

• Frees storage space
• Removes junk cache
• Improves system responsiveness

2. temp — Remove System Temporary Files

The temp command opens another temporary folder used by Windows.

Steps:

1. Press Windows + R
2. Type temp
3. Press Enter
4. Delete all files

Some files may be in use and cannot be deleted. Simply skip those files.

3. prefetch — Clean Prefetch Cache

Windows uses Prefetch files to speed up app loading. Over time, these files can become bloated.

Steps:

1. Press Windows + R
2. Type prefetch
3. Press Enter
4. Click Continue if prompted
5. Delete all files

Benefits:

• Cleans outdated cache
• Reduces unnecessary storage usage

4. cleanmgr — Use Disk Cleanup

Disk Cleanup is a built-in Windows utility that removes:

• Temporary files
• Recycle Bin data
• Windows update cache
• System junk files

Steps:

1. Press Windows + R
2. Type cleanmgr
3. Press Enter
4. Select Drive C:
5. Click OK and remove unwanted files

Benefits:

• Recovers several GB of storage
• Improves disk performance

5. msconfig — Disable Startup Programs

Too many startup applications can slow down boot time.

Steps:

1. Press Windows + R
2. Type msconfig
3. Press Enter
4. Open the Startup tab
5. Disable unnecessary applications

Benefits:

• Faster boot speed
• Reduced RAM usage

Advanced Windows Commands for Better Performance

services.msc

Manage Windows background services.

Open Device Manager to update drivers.

Important CMD Commands for Windows Repair

sfc /scannow

Scans and repairs corrupted Windows system files.

How to Use:

1. Open Command Prompt as Administrator
2. Run:

sfc /scannow

chkdsk

Checks hard drive errors and bad sectors.

Command:

chkdsk

ipconfig /flushdns

Clears DNS cache and can improve internet connectivity issues.

Command:

ipconfig /flushdns

Complete Windows Speed Optimization Commands Table

Additional Tips to Make Your PC Faster

• Upgrade from HDD to SSD
• Increase RAM capacity
• Keep Windows updated
• Use a lightweight antivirus
• Avoid unnecessary browser extensions
• Restart your PC regularly

Conclusion

Using these Windows Run commands and CMD utilities regularly can significantly improve your PC’s speed and overall performance. These methods are free, safe, and effective for Windows 10 and Windows 11 users.

By cleaning temporary files, disabling startup apps, and repairing system files, you can keep your computer running smoothly without installing third-party optimization software.

Best Windows Run Commands to Speed Up Your PC | Complete Windows Optimization Guide 2026

Learn the best Windows Run commands to speed up your PC. Use %temp%, temp, prefetch, cleanmgr, msconfig, CMD repair tools, and optimization tips for Windows 10 & 11.

इन कमांड्स का उपयोग करके आप बिना किसी सॉफ्टवेयर के अपने Windows कंप्यूटर की स्पीड बेहतर कर सकते हैं।

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