If you have purchased the license key or product key of Windows 11/10, you can transfer it to another computer. Your Windows 11/10 should be a retail copy. The retail license is tied to the person.
Can I use Windows 10 key 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.
How many times can a Windows 10 key be used?
Your license permits Windows to be installed on only *one* computer at a time. 2. If you have a retail copy of Windows, you can move the installation from one computer to another. If you have an OEM copy, its license is permanently tied to the first computer it’s installed on; it may never be moved to another.
No, the key which can be used with either 32 or 64 bit Windows 7 is only intended for use with 1 of the disk. You cannot use it to install both. 1 license, 1 installation, so choose wisely.
Can 2 computers have the same Windows key?
Microsoft allows you to move the software from one machine to another, but notice we said move rather than share, as the OS can still only be active on one PC at a time. The one exception to this is a Windows 7 Family Pack, which entitles users to simultaneously have the OS running on three different PCs.
Can I use Windows license to another computer?
You are now free to transfer your license to another computer. Since the release of the November Update, Microsoft made it more convenient to activate Windows 10, using just your Windows 8 or Windows 7 product key.
Can I get Windows 10 for free?
Microsoft allows anyone to download Windows 10 for free and install it without a product key. It’ll keep working for the foreseeable future, with only a few small cosmetic restrictions. And you can even pay to upgrade to a licensed copy of Windows 10 after you install it.
Are Windows 10 keys on eBay legal?
Its likely not a genuine Windows 10 key because no third party vendor apart from Amazon and Microsoft are allowed to license digital downloads. So anyone claiming to sell keys is likely not legal.
Is there a Windows 11 coming out?
Windows 11 is due out later in 2021 and will be delivered over several months. The rollout of the upgrade to Windows 10 devices already in use today will begin in 2022 through the first half of that year.
What happens if I use the same product key twice?
The answer is no, you can’t. Windows can only be installed on one machine. Beside technical difficulty, because, you know, it need to activated, the license agreement issued by Microsoft is clear about this.  When you enter the product key during the installation process, Windows locks that license key to said PC.
If the key is used on another one of the same type of computer it should work and still be legal.