

Go to "System" - "About" and "Change product key" (Click "Yes", if User Account Control comes up)Ĥ. In that case it is necessary to perform a clean installation (see Option 1).ģ. If those two points apply to you, it is obvious that some important system files are missing. If error code "0x800f0805" appears after applying the default product key, please make sure that you have at least 20 GB of free disc space and that Windows is updated to it's latest version.

If it's not accepted, apply the default product key: "VK7JG-NPHTM-C97JM-9MPGT-3V66T" Press the "Windows key" + "R", type "slui.exe" and hit "Enter"Ģ. Please proceed with this when you are currently using Windows 10 Home and want to upgrade to Proġ. Option 2: Upgrading from Windows 10 Home to Pro

Either way, keep in mind that you have to enter in the information related to your operating system's legally registered version.Windows 10 Pro: How to download, install and activate If you have Windows 7 Professional, Ultimate, or any of the other 8 or 8.1 Pro editions, you'll get Windows 10 Pro. So, if you have Windows 7 Starter, Home Basic, Home Premium, 8, or 8.1, you'll get Windows 10 Home. Keep in mind that the Windows 10 version that gets installed depends on what you had previously. Otherwise, you'll be able to choose where you want to save the new files, which will replace their older versions. When you open the program, it will ask you whether you want to update your current Windows system or create an installation disc. Or you could do it now by yourself using this official tool, which allows you to download an ISO image and even create a DVD or USB installation to use on other computers. To install Windows 10 using an earlier versions of Windows, you could wait and use the default software updater for an automatic installation.
