Windows 11 Pro and Home: genuine retail keys
Windows 11 is Microsoft's current operating system, with a modern interface, better security and the longest support window. KRBKeys sells genuine Windows 11 Pro and Windows 11 Home retail keys for one PC, plus a Windows 11 Pro 5 PC license for families and small businesses. Windows 11 Home covers everyday use, gaming and school. Windows 11 Pro adds BitLocker drive encryption, Remote Desktop host, Hyper-V, Group Policy and the ability to join a company domain, which makes it the right choice for work laptops and power users.
A Pro key also upgrades an existing Windows 11 Home installation in minutes, without reinstalling. All keys are delivered by email with the official Microsoft download link, and Windows 11 Pro keys are sent instantly after payment. Retail keys can be moved to a new PC later. If anything goes wrong during activation, our guides and support team are here to help.
Frequently asked questions
What is the difference between Windows 11 Home and Pro?
Home covers everyday use, gaming and school. Pro adds BitLocker drive encryption, Remote Desktop host, Hyper-V, Group Policy and joining a company domain. See Windows 11 Home vs Pro.
Can I upgrade Windows 11 Home to Pro without reinstalling?
Yes. Go to Settings → System → Activation → Change product key and enter a Windows 11 Pro key. Your files and apps stay. If the upgrade stops with an error, see error 0x803FA067.
How fast is delivery?
Windows 11 Pro keys are sent by email instantly after payment. Windows 11 Home keys arrive within 2–10 minutes, and the 5 PC license usually within 10 minutes. Every email includes the official Microsoft download link.
Can I move my key to a new PC later?
Yes. Retail keys can be moved to a new PC, one PC at a time. Our license transfer guide shows how.
What if activation fails?
Most errors have a quick fix. Start with our activation guides, for example 0xC004F050 or 0x803F7001, or contact support with your order number.
