If you don't want to go to the previous version of Windows, you can delete it.ħ. It allows you to restore from Windows.old folder within 30 days. You will get a folder named Windows.old after you upgrade your computer. You can delete it if your disk is out of space.Ħ. Temporary files do not be used in a long-term. This folder is used to keep deleted files until you delete them permanently or restore them to your computer.ĥ. This option can delete the language or keyboard layout that you don't use.Ĥ.

This option can erase the old copies of Windows Update files.ģ. Here, I'll show you some files and folder which can be removed:ġ. Users report that I don't know what can be deleted and what can't. In Windows 7/8/10/11, there are some files and folders you don't really need but Windows still keep it. Every backup can also occupy much disk space. That's to say, every update will increase the size of this folder. When your computer updates, it will keep both new Windows component and old component in the WinSxS. And the component files are just links to the files contained in the WinSxS folder. That's because the WinSxS folder contains all system components of your computer. Many users reports that I don't why the Win SxS folder get too big? When you find that your c drive is in low disk space, you will go to examine the size of the C:/ Windows folder and then you may find the WinSxS folder use a lot of space.

Windows find biggest folders