You can reuse your windows activation key as many times as you wish. The activation key cannot be activated on two different computers at the same time.
Can I use same product key for 2 computers?
Whether you have a product key or digital license for your copy of Windows 10, you can only install and use it on one computer at a time. If you want to install Windows 10 on other computers, you’ll need to buy a new copy with its own product key for each one.
Can I use Windows 10 product key on multiple computers?
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.
How many PCS can use a Windows key?
You can only use a Windows 10 key once on a PC or laptop. If you need to reinstall the operating system for any reason, you’ll need to enter the key again.
How many times can you use one product key?
No, the key which can be used with either 32 or 64 bit Windows 10 is only intended for use with 1 of the disk. You cannot use it to install both.
