Depending on which situation you got this — Error 0x800f0805 — follow the suggestions below to resolve it. While the activation issue can be resolved easily, the problem can be tricky with the update error. When you try to upgrade the Windows version from,i.e., Home to Education or Professional, and get this error, follow the steps below. The Error occurs When you go to Settings >Update & Security >Activation. Try to activate Windows using a new key. Open Command Prompt with admin permission...

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