So you will receive the error code 0xc004f074 Step 5: The last step to activate your Windows you, use the command “ slmgr.vbs /ato”. Step 4: You use the command “ slmgr.vbs /skms ” to connect to my KMS server. Step 3: You use the command “ slmgr.vbs /ipk yourlicensekey” to install a license key (yourlicensekey is the activation key you got at step 1).įor example, I use Windows 8.1 Pro, so I type: “ slmgr.vbs /ipk GCRJD-8NW9H-F2CDX-CCM8D-9D6T9” Step 2: You go to the taskbar and type cmd => then you right-click Command Prompt and select Run as administrator Note: if you use Windows 8, you get Windows 8 KMS key here Windows 8.1 Enterprise N key: TT4HM-HN7YT-62K67-RGRQJ-JFFXW.

Windows 8.1 Enterprise key: MHF9N-XY6XB-WVXMC-BTDCT-MKKG7.

Windows 8.1 Pro with Media Center: 789NJ-TQK6T-6XTH8-J39CJ-J8D3P.

Windows 8.1 Core Single Language: BB6NG-PQ82V-VRDPW-8XVD2-V8P66.

Windows 8.1 key: M9Q9P-WNJJT-6PXPY-DWX8H-6XWKK.Windows 8.1 Pro N key: HMCNV-VVBFX-7HMBH-CTY9B-B4FXY.Windows 8.1 Pro key: GCRJD-8NW9H-F2CDX-CCM8D-9D6T9.Here is the list of Windows 8.1 volume license keys: Step 1: You select the right key for your Windows 8.1 edition If these keys don’t work, you can use new method to activate Windows 8.1 without product key (180 days) How to activate Windows 8.1 without product key free 2021 (180 days) 4 You can watch this video to know how to activate Windows 8.1 without product key for free 2022.3 Here is the list of Windows 8.1 volume license keys:.2 How to activate Windows 8.1 without product key free 2021 (180 days).

Finding your windows 8 serial number