This option is easy to find if you just upgraded Windows: press the Start button and click the Gear icon and click Update and Security and click the Recovery option and then click the Go back to Windows 7 option to remove Windows 10
Tip: The Go back to Windows 7 option is a temporary setting only available for a month after upgrading to Windows 10, after when we’ll have to seek another solution. We’ll use different methods to empty the disk, methods are listed below:
This page will guide through how to empty and clean a hard drive with Windows 10 installed. Do you want to remove Windows 10? Remove Windows 10 and install Ubuntu? or simply want to remove everything from the hard drive including the operating system and give away the hard drive? You’re in the right place