The Ultimate Guide to Cleaning Cache & Junk Files in Windows

Introduction

Is your Windows PC or laptop running slow, freezing, or lagging? Over time, cache and junk files accumulate in hidden locations, consuming valuable storage and slowing down performance.

This comprehensive guide will show you step-by-step how to delete all unnecessary cache files and give your computer a fresh, clean boost.

The Ultimate Guide to Cleaning Cache & Junk Files in Windows

Why Clean Cache & Junk Files?

Faster performance – Removes sluggishness
More storage space – Deletes hidden temporary files
Prevents crashes & freezes – Reduces system overload


Step-by-Step Cache Cleanup Process

1. Delete Prefetch Files

Prefetch stores frequently used application data to speed up loading, but over time, it becomes bloated.

How to Clear Prefetch:

  1. Press Win + R, type prefetch, and hit Enter.
  2. Select all files (Ctrl + A) and delete them.
  3. Skip any files that can’t be deleted (they’re in use).

🔹 Note: Windows will regenerate these files, so repeat this weekly for best performance.


2. Clear Temp Files

Temporary files are created by apps and Windows but often remain unused.

How to Clear Temp Files:

  1. Press Win + R, type %temp%, and hit Enter.
  2. Delete all files (Ctrl + A → Delete).
  3. Repeat for temp (type temp in Run).

📌 Pro Tip: Some files may be in use—skip them if they won’t delete.


3. Run Disk Cleanup

Windows has a built-in Disk Cleanup tool for deeper cleaning.

How to Use Disk Cleanup:

  1. Press Win + R, type cleanmgr, and hit Enter.
  2. Select C: drive and click OK.
  3. Check all boxes (especially “Temporary files”).
  4. Click OK → Delete Files.

4. Clear SoftwareDistribution Cache

Windows Update stores files in SoftwareDistribution, which can get clogged.

How to Clear It:

  1. Open File ExplorerThis PCC: drive.
  2. Navigate to:
   C:\Windows\SoftwareDistribution\Download
  1. Delete all files inside (Ctrl + A → Delete).

Warning: Don’t delete the SoftwareDistribution folder itself—just its contents.


5. Clear Browser Cache (Chrome, Edge, Firefox)

Browsers store cookies, cached images, and site data, slowing them down.

How to Clear Chrome Cache:

  1. Open Chrome → Click ⋮ (Menu)Settings.
  2. Go to Privacy & Security → Clear Browsing Data.
  3. Select “All time” and check all boxes.
  4. Click “Clear Data”.

6. Reset Microsoft Store Cache

The Microsoft Store stores unnecessary cache files that can cause errors.

How to Reset Store Cache:

  1. Open Command Prompt (Admin).
  2. Type:
   wsreset.exe
  1. Press Enter – The Store will reopen automatically.

Final Step: Restart Your PC

After completing all steps, restart your computer to apply changes fully.

🚀 Result: Your PC will run smoother, faster, and with fewer freezes!


Best Tools for Automatic Cleanup

ToolPurposeLink
CCleanerDeep system cleanupccleaner.com
BleachBitOpen-source cleanerbleachbit.org
Windows Storage SenseAuto-deletes temp filesBuilt into Windows

Conclusion

Regularly clean cache for optimal performance.
Use Disk Cleanup & manual steps for deep cleaning.
Reset browser & Store cache to fix glitches.

Tags:

Windows Optimization, Cache Cleanup, PC Speed Boost, Delete Junk Files, Disk Cleanup

Hashtags:

#WindowsTips #PCOptimization #SpeedUpPC #TechGuide #CleanCache


Disclaimer:
Deleting system files incorrectly may cause issues. Always back up important data before cleaning. Some files regenerate automatically—this is normal.

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Rakesh Bhardwaj

Rakesh Bhardwaj is a seasoned editor and designer with over 15 years of experience in the creative industry. He specializes in crafting visually compelling and professionally polished content, blending precision with creativity. Whether refining written work or designing impactful visuals, Rakesh brings a deep understanding of layout, typography, and narrative flow to every project he undertakes.

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