Computer must be restored before updating
Windows 10 is officially released on July 29th, 2015.
In this article, we'll learn how to upgrade to the new Windows 10 from XP, Vista, Windows 7 and Windows 8/8.1, while making sure no programs or files are lost in the process.
Again, this can be prevented using Windows 10 Upgrade Companion, as you can see in the tutorial below. It ensures a smooth upgrade to Windows 10, keeping all your programs, settings and files intact and functional. Upgrade from Windows XP / Windows Vista - to Windows 10 Upgrade from Windows 7 SP1 or Windows 8.1 to Windows 10 For XP and Vista users, no programs or files will remain available after the upgrade. Any major upgrade may go wrong, and without a backup, you risk losing everything you've had on the machine.
To navigate easier, choose your current Windows version below. Therefore, the most important step before upgrading is to back up your computer.
In addition, if you are upgrading from a 32bit Windows to a 64bit Windows 10, or upgrading to a different edition (i.e.current Windows is Home, upgrading to Windows 10 Pro), your programs and files will also be removed.