Windows Activation Error 0x80070520 is one of the many Activation errors users encounter while switching to a new laptop or PC or upgrading to a newer version of ...

Keys still seem to work in current Windows installs, but that may be ending.

Ever since Windows 10 made its debut in 2015, Microsoft had the rather generous policy of allowing anyone with a Windows 7 or Windows 8 key to activate the latest version of Windows. This policy ...