How to Fix Product Key Error 0x800F0805 when Installing Windows on Windows 10

If you get error code 0x800f0805 during activation when you upgrade Windows to a new version, such as Professional to Enterprise or Home to Professional, this article will help you. You may also get this error when you upgrade Windows. We will let you know the best possible solution to fix the problem.

Depending on the situation in which you get this error – Error 0x800f0805 – follow the guidelines below to fix it. If the activation problem is easy to solve, the update error can be difficult to deal with. read more