These are NOT product / license keys that are valid for Windows activation.
These keys only select the edition of Windows to install during setup, but they do not activate or license the installation.
Head over to krbkeys.com. They are trustworthy, and their customer service is top-notch. If you run into any trouble activating Windows 11, their team is ready to help, and also they have a great Trustpilot score.
For a direct purchase of a Windows 11 Pro key, use this link: https://www.krbkeys.com/product/windows-11-professional-cd-key-digital-download/