Windows 10 Home, Windows 7 Home Basic/Premium and Windows 8.1 CoreCountrySpecific/CoreSingleLanguage/Chinese (incl.

Your upgrade license should now be freed up to be installed on another machine.Windows 10 Professional CD-KEY (32/64 Bit) works only for Windows, not for Mac!.

Enter the key in the Change product key dialog as noted above, and you'll effectively 'downgrade' to your old Home license.

There might be a sticker there showing your original Windows product key alternatively, it might be in the manuals and other material that came in your PC's box.

Look at the bottom of your Windows laptop, or on the top/side of a desktop tower.

You're effectively reinstalling your original license, which will make the upgrade available again. Since you had a full operating system before this upgrade, you can remove it from its current machine and use it on another. How to Transfer Your Windows 10 Pro Upgrade If your key is correct, the upgrade will start, and you'll soon get a message that Windows has been upgraded.

Enter the 25-digit Windows Pro Product Key.

Under Activation, select Change product key.Select the Start Menu, then select Settings.Make sure you're up to date on any Windows Updates.When you buy a new PC, you typically get a cheaper copy of Windows than if you bought it at retail, but it's bound to that particular PC. You can do this if you installed Home yourself, but not to a copy of Home that came pre-installed on your PC.

Note: If you've received a full copy of Windows Pro instead of an upgrade copy, you should be able to move that Home license to a new machine. Upgrading to Windows 10 Pro will cost you $99.

This will lead you to the Windows Store where you can purchase the upgrade by selecting the Buy button.

Select Activation on the left-hand menu.

Once updates are complete, select the Start Menu, then select Settings.

In Windows 10, downloading and installing updates is automatic and will happen immediately after checking or, with some updates, at a time when you're not using your computer.

Check for new Windows 10 updates by tapping or clicking on the Check for updates button.

Next, select the Start Menu, then select Settings.

First, make sure your PC doesn't have any pending updates.

In order to upgrade, take the following steps: If you haven't paid anything for the upgrade yet, and no one has handed you a copy of Pro, the most straightforward way to upgrade is using the Windows Store. Upgrade Windows 10 Home to Pro via the Windows Store However, if you installed Home manually, for example on a PC you built yourself, you have the option to move the Home license elsewhere and install the Pro version in its place. Tip: If you don't know which version of Windows you have you can find it easily whether you're using Windows 10, 8, 7, Vista, or XP.

Windows 10 pro upgrade product key