If you are lucky enough to have an friend or relative with these accounts, then you have a legitimate way of getting your hands on Windows 8.1 before the rest of the world gets it. Ĭurrently the RTM ( Release to manufacturing ) version of Windows 8.1 is already available for download with MSDN, IT professionals with TechNet, or students with DreamSpark accounts. Alternatively if you want to upgrade to windows 8.1 from windows xp or windows 7, then you will have to buy a retail copy of windows 8.1 , which will cost you around $120 for the base version and $200 for windows 8.1 pro edition. If you already have an activated copy of Windows 8, then you can visit this link to upgrade to windows 8.1 . UPDATE ( 17/8 ) : Windows 8.1 is now officially available for update from the Windows 8 app store.
