WIN10 system How to upgrade Win7/win8 upgrade Win10 free Tutorial

Different version system upgrade methods:

Windows 7 and Windows 8/8.1 can be upgraded directly to Windows 10 through an ISO image;

Windows 7 SP1 and Windows 8.1 S14 can be upgraded to Windows 10 through Windows Update;

Other versions of the system need to be upgraded to Windows 7 SP1 or Windows 8.1 S14 before upgrading to Windows 10;

Windows RT failed to upgrade to Windows 10 or RT 10, and Microsoft previously said there would be special updates to compensate for some of the functionality, but it is not clear what this particular update is.

If you are running Windows Vista or XP and cannot upgrade directly, a new installation is required.

Within a year of Windows 10 release, users can complete a genuine Windows 10 download and installation, upgrades, Windows XP, Vista, Windows 7, and 8/8.1 users through Tencent's computer butler, all with one-click Upgrades – Microsoft announced Windows 7 And 8.1 can be upgraded free of charge.