Make sure you have enough free disk space before upgrading. Users can either do an in-place upgrade on same computer or a new clean install on a new PC. In both methods simply use the Windows 7 Serial key when it ask and it will work perfectly. Let’s find out the steps how to upgrade from Windows 7 to Windows 10.
If you have not yet upgraded, you still have the chance to get a free upgrade to Windows 10.
Here is a guide to find the missing product key in Windows.
