Download the Windows 10 Media Creation Tool to install the OS, then enter your purchased Windows 11 key during setup. 2. Purchase via the Windows Store App

The most reliable way to get a genuine license is to purchase a . Microsoft confirmed that Windows 11 product keys are backward compatible and will successfully activate a Windows 10 installation of the same edition.

How to Buy a Windows 10 License in 2026 If you are looking to buy Windows 10 today, you will notice that Microsoft has officially stopped selling it directly on their primary store pages to prioritize Windows 11. However, because Windows 10 and Windows 11 share the same licensing system, you can still legally and effectively "buy" Windows 10 through several official and third-party channels. 1. The Official Workaround: Buy Windows 11

If you already have an unactivated version of Windows 10 installed, you can often buy a digital license directly through the OS: Go to .

Directly from the Microsoft Store or authorized retailers like Amazon or Best Buy.

Select . This should open the Microsoft Store app and offer a digital license for your current edition. 3. Third-Party Retailers & "Cheap Keys" Download Windows 10 - Microsoft