In this article, we will discuss the cases when error 0x800f0805 might occur and how to resolve it.
Try downloading and running the Windows 10 or Windows 11 installer (whichever you currently have installed). The installer will update your system to the latest upgrade version.
This error may indicate that you are activating the system for the wrong version of Windows. For example, you have Windows Home, but your product key is for Windows 10 Pro or Windows 10 Enterprise.
Solution:
1) Use the correct product key for your version of Windows. Contact your seller, or you can purchase the necessary product key for your system from our catalog at the lowest prices. Instant delivery of the product key to your email.
2) If your product key promises an upgrade to another edition of Windows, you can try activating your product key and updating the system.