Buy a genuine Windows 11 key at a low price. Choose between Windows 11 Pro and Windows 11 Home – every cheap Windows 11 key is a one-time purchase with lifetime activation and instant email delivery.
Buy a Cheap Windows 11 Key – Genuine and Instant
Upgrading to Windows 11 doesn’t have to be expensive. At Windows Keys you can buy a genuine Windows 11 key for much less than the retail price. Each key is a lifetime license for one PC: you pay once, receive your key by email within minutes and activate Windows 11 permanently – no subscription required.
Windows 11 Pro vs Windows 11 Home: Which Key Do You Need?
| Feature | Windows 11 Home | Windows 11 Pro |
|---|---|---|
| Modern Start menu, Snap Layouts, widgets | ✓ | ✓ |
| Windows Security & device encryption | ✓ | ✓ |
| BitLocker full-disk encryption | – | ✓ |
| Remote Desktop (host) | – | ✓ |
| Hyper-V & Windows Sandbox | – | ✓ |
| Group Policy, domain & Entra ID join | – | ✓ |
| Best for | Home use, study, gaming | Work, business, power users |
Need the business features? Get a Windows 11 Pro key. For everyday use, a Windows 11 Home key is the cheapest option. Need Office too? See our cheap Office keys.
Windows 11 System Requirements
To install Windows 11, your PC needs a compatible 64-bit processor (1 GHz, 2 or more cores), 4 GB of RAM, 64 GB of storage, UEFI with Secure Boot and TPM 2.0. You can check your PC with Microsoft’s free PC Health Check app before you buy.
How to Activate Your Windows 11 Key
- Complete your order – your Windows 11 key arrives by email straight away.
- Open Settings → System → Activation.
- Select Change product key, enter the 25-character key and click Next, then Activate.
Doing a clean install? Follow our Windows 11 installation and activation guide.
Windows 11 Key – FAQ
Is a cheap Windows 11 key genuine?
Yes. Every Windows 11 key we sell is a genuine product key that permanently activates Windows 11. If you have any trouble activating, our 24/7 support team will help you.
Can I upgrade from Windows 10 to Windows 11 with this key?
Yes, as long as your PC meets the Windows 11 system requirements. Install Windows 11 and activate it with your new key – Windows 11 Home for Home, Windows 11 Pro for Pro.
Can I upgrade from Windows 11 Home to Windows 11 Pro?
Yes. Buy a Windows 11 Pro key, go to Settings → System → Activation → Change product key and enter it. Your files and apps stay where they are.
Is a Windows 11 key a lifetime license?
Yes. It’s a one-time purchase with no subscription or renewal fees, and you can reinstall Windows 11 on the same PC whenever you need to.
Can I use one Windows 11 key on several PCs?
No – each Windows 11 key activates one PC. For several computers, order one key per PC.
Looking for other versions? Browse all cheap Windows keys.