In the context menu that opens, click on Properties. Go to File Explorer > This computer and right-click on the C drive. How to delete Windows.old via File Explorer? Follow the below steps to use this tool to modify your Windows 11/10 Start Menu. If you want to recover it, you have two options: wait for 30 days, after which Windows will automatically delete it, or get rid of it right now by following these steps. You can convert the Windows 11/10 Start Menu to look like Windows 7 using a free tool called classic Shell tool. Otherwise, this folder will be uselessly taking up space on your hard drive (it usually weighs between 10 and 25 GB). It can be useful in case you have problems with the upgrade or if you just don't like the new version of Windows. Migrating from a previous version of Windows (like Windows 7 or 8.1) to Windows 10 automatically creates a folder that contains basically your entire old operating system. Often, the Windows upgrade process itself is safe and efficient, saving a copy of all files from your previous installation and storing them in a special folder called Windows.old, located in the root of your C drive.
Whether you've just upgraded to Windows 10 or you've already had it and installed a major update, you may have noticed that your hard drive is running slower than usual.
