How to Delete windows.old Folder After Upgrading to Windows 10

Have you noticed that there are “Windows.old” folder on your drive C? This is your previous files from upgrading (Windows 8.1/Windows 7) to Windows 10, this folder almost 20gb in sizes. You probably stumble on this site because you tried to delete this folder that it will keep saying “You need permission to perform this action” and unable to delete.

To remove this folder you have to use the Windows Clean Up Tool, follow my instruction below:

1. Go to “This PC” or previously “My Computer”

2. Right click Drive C:, the click Properties

3. Now, on the bottom right click the button “Disk Cleanup”.

4. Then the “Disk Clean Up” will pop up, click the button on the bottom left “Clean up system files” to discover the previous windows installation.

5. After scanning, you have to find and check “Previous Windows Installation”

6. Now you can click “OK” button, then press “Delete Files” to start the clean up.

Done! Now check your drive C and the “windows.old” folder are already deleted. Thanks for reading this article on the site!

By erwinbantilan

I'm a Freelance Web Developer (PHP, Flash, Ajax, Javascript, CSS & HTML 4/5), iOS Developer, SEO expert and a Graphic Designer from General Santos City. Profile | | Pattern Lockscreen

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