Whenever you install a new Operating system in your computer, some remnants of the old operating system remains in it. These remnant files are consolidated in a single folder called Windows.old folder. These old files remain in your OS if you install the new OS without doing a clean install. How to find out the Windows.old folder? Check it out. Remember on thing! Before removing the folder, check if it contains any files which may be important for you. So check it beforehand as you won;t be able to do anything later on. Sign in as the administrator. Windows.old Folder consumes a lot of space in your newly installed OS and may slow down your machine.

Steps to Delete Windows.old Folder in Windows 10.

Your location can be found by typing C:\Windows.old in the address bar of Windows Explorer. Once you find the folder, right click on it and go to Properties. Check the size of the disk.

Windows.old folder

Size of Windows.old folder

There are several steps by which you can delete you Windows.old Folder from Windows 10. Either you can accomplish it using Elevated Command Prompt, by using Disk Cleanup or by using Elevated command prompt at boot. Let’s check out all the folders.

I. Delete Windows.old Folder using Disk Cleanup

1. Press Windows+R to open the Run Window. Type the following command cleanmgr and tap OK.

Clean manager

2. Select the drive in which your OS is installed. It will take some time to open the settings.

Select drive

3. Tap Clean Up System Files. Tap OK and you will be redirected to the same step. Click OK

clean up system files

II. To Delete using Elevated Command Prompt

1. Right click on long press the Start Button and select Command Prompt (Admin) to open the Elevated command prompt. Tap OK if prompted by UAC.

command prompt

Now type the following command RD /S /Q %SystemDrive%\windows.old and tap Enter. You will be able to clean your Windows.old folder.

command winold


Nick is a Software Engineer. He has interest in gadgets and technical stuffs. If you are facing any problem with your Windows, feel free to ask him.


Please enter your comment!
Please enter your name here

This site uses Akismet to reduce spam. Learn how your comment data is processed.