Fix Activation Error 0xc004f074 Windows 8.1:Windows needs a license key so that you can activate Windows, sometimes you can run into trouble when you have completed the Windows installation and your trying to activate your copy of Windows. You may get this error code “activation error 0xc004f074“ This can happeneven if you entered the correct license key, you can still have a issue activating the Windows license.
Activating Windows(R), ServerStandard edition
Error: 0xC004F074 The Software Licensing Service reported that the computer could not be activated.
No Key Management Service (KMS) could be contacted.
Please see the Application Event Log for additional information.
The activation error 0xc004f074 affects both Windows 8 and Windows 8.1 versions of Windows. I will show you a way to fix windows activation error 0xC004F074.
Method 1:
Here’s how to fix Activation Error 0xc004f074:
1: Go to the Charms Bar and select Search. Now type cmd to Open the Command Prompt, make sure to select Run as administrator.
2: Inside the command prompt window, type slmgr.vbs –ipk xxxxx-xxxxx-xxxxx-xxxxx-xxxxx , You should replace X with your 25 digit product keys.
3: Now press Enter to set the product keys for your Windows.
4: Now type slmgr.vbs –ato and press Enter to activate Windows with your genuine product keys.
All done, your windows should now be activated.
Method 2:
If your no comfortable using command prompt to activate your copy of Windows, you can use Windows 8.1 gui interface.
1: Open Run command by pressing Press the 
+R on the keyboard.
2: Now type slui.exe 3
3: “Enter the product key” should now open.
4: Now just Enter the your Product key it will automatically check to see if the key is valid and the proceed in activating Windows.
Method 3:
If the above don’t work for you, you can then try activating by phone.
1: Open Run command by pressing Press the +R on the keyboard.
2: Type slui.exe 4
3: This will bring up “Call and provide your installation ID” phone activation Window.
4: Now just make call to Toll free number on screen and enter installation ID on the screen. Microsoft Product Activation call center person will then ask you to enter the confirmation ID then click on “Activate” button.
All done, you have just activate Windows 8 or Windows 8.1 operating system by Phone.
