If you have just upgraded your Windows 7 or 8.1 to Windows 10, then the system, by default makes a folder named as Windows.old. In this folder, your old operating system is stored for you in case you want to go back with your previous windows. All the previous date is stored in that folder. The system will automatically delete this folder after one month, but if you don’t want to wait then this article is for you. After reading this article you will learn the method to delete that folder. This folder contains almost 15 to 16 GB space of your hard drive and it is almost useless if you have no intention to go back to your old Windows. Check out the steps to free up space in Windows 10 by deleting the Windows.old folder.

delete windows.old folder from windows 10

Firstly you need to think once again whether or not you want to delete that folder, because, with that folder, you can revert anytime to your previous system. But if you are happy with new Windows and want to permanently delete that folder, follow the steps given below.

If you tried to simply delete that folder, you probably might face some problem, because windows won’t let you delete that folder or files in it because it takes that folder or files in it as a part of system files, so you need permissions. But don’t worry here we are to help you in this problem. Let’s have a look on the method or steps to delete that folder.

Also Read: How To Fix “No Internet Access Problem in Windows 10

Steps To Delete Windows.old Folder To Free Up Space In Windows 10

Step 1: Firstly type “Free up disk space” in the search box on the bottom left of your windows.

increase disk space in windows 10

Step 2: Click on the option on the top “Free up disk space by deleting unnecessary files

increase space in C drive

Step 3: A pop-up will appear on the screen. Set windows driver to (C:) if it not set already by default and then click OK.


Step 4: Leave everything as it is. Just click on “Clean up system files”.

free up space in windows 10

Step 5: Another option will come up and set the drive to Win8 (C:) if it is not and click OK.


Step 6: In the “files to delete” box, check “Previous Windows installation(s)” and click OK.


Step 7: Now click on “Delete Files” option.

Step 8: A message will prompt to confirm your decision. Don’t worry, nothing is going to happen with your system. Click “Yes”.


Step 9: Sit back and relax because the software will delete that unnecessary file or folder. It will take some time.


Final Word

Finally, you are done. By following these steps you will be able to delete Windows.old folder from your computer to free up space in windows 10. You just have to follow the commands given above. It is a normal process. If someone upgrades from one OS to another OS, then system automatically saves all backup of the previous system in the folder Windows.old. If anyone tries to delete that folder or files in it, there will be an error because the system won’t let you delete these files in that case you have to follow these steps. If there are any issues, do let us know in the comment section below. Thank you.