How to remove windows 10 activation
Before you sell or dispose of your computer, you should deactivate, remove & uninstall Windows Product Key. This applies to Windows 10/8/7/Server.5. Windows 7/8/8.1 upgrade to Windows 10. Windows 10 was a free upgrade for Windows 7 and 8/8.1 users. All they had to do was install the OS. It would detect the previous authentic version of Windows and automatically activate Windows 10. If that's how you upgraded, you may not have a product key. Try the following.