If you purchased a Retail license of Windows 10 (opens in new tab), you are entitled to transfer the product key to another computer. If you plan to upgrade to Windows 10 from Windows 8.1 or Windows 7 with a retail copy, you can also move the product key to another device.
Can you use Windows 10 license on multiple computers?
You can only install it on one computer. If you need to upgrade an additional computer to Windows 10 Pro, you need an additional license. Click the $99 button to make your purchase (the price might vary by region or depending on the edition you are upgrading from or upgrading to).
Can I use the same Windows 10 key on two computers?
Windows product keys can only be activated on one computer at a time. That means you’ll have to deactivate one end in order to get another to work.
How many devices can use Windows 10 key?
Windows product key is unique per device. Windows 10 Pro can be installed in every compatible devices as long as you have a valid product key for each individual computer.
