WIN8 key activation failure error 0xc004f061 what to do

Win8.1 key activation failure error 0xc004f061 resolution.

The method is as follows:

1, the installation process does not enter the serial number, direct installation, after the installation system will prompt you have 30 days of activation time;

2, enter the system, press Win+r key, open run, input regedit, enter the Registry Editor;

3, expand to "Hkey_local_machinesoftwaremicrosoftwindowscurrentversionsetupoobe", on the right double hit open Mediabootinstall key value, the data value from "1" Modified to "0";

4, in the search box in the input cmd, right-click search Results Select "Run as Administrator", and then enter in the window: Slmgr/rearm, return to wait for confirmation box to appear;

5, after the completion of the above operation restart the system, and then re-enter the serial number, you can normally activate.