Directly through the Microsoft Store is the most reliable method.

To ensure you haven't bought a temporary or volume license meant for businesses, you can verify your key type using the Command Prompt:

There are three primary ways to acquire a digital license today: :

: Always ensure the product is "Sold and Shipped by" the retailer itself, not a third-party marketplace seller, to avoid counterfeit keys. Third-Party Resellers (OEM Keys) :

Sites like Keysfan or Mr Key Shop sell OEM (Original Equipment Manufacturer) keys at significant discounts.

: Microsoft often sells Windows 11 keys now, but these are backward compatible and will activate a Windows 10 installation of the same edition (Home or Pro). Authorized Retailers :