Windows 8.1 Product Key Free

Windows 8.1 is still considered to be the most widely used operating system even after the successful release of Windows 10.

If you purchased Windows 8.1 key, your Windows 8.1 activation key should be inside your DVD/CD box. If you don’t remember Windows 8.1 product key you can try new method to activate windows 8.1.

Windows 8.1 iso download you visit here

sale Windows 8.1 Pro product key for $25/key (lifetime). If you want to buy it you can visit

Windows 8.1 Product Key Free 2021


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)

You can read these articles to know:

Step 1: You go to the taskbar and type cmd => then you right-click Command Prompt and you select Run as administrator

cmd run as administrator windows 8.1

Step 2: You use the command “slmgr.vbs /ipk yourlicensekey” to install a license key

Here is the list of Windows 8.1 volume license keys:

  • Windows 8.1 Pro key: GCRJD-8NW9H-F2CDX-CCM8D-9D6T9
  • Windows 8.1 Pro N key: HMCNV-VVBFX-7HMBH-CTY9B-B4FXY
  • Windows 8.1 key: M9Q9P-WNJJT-6PXPY-DWX8H-6XWKK
  • Windows 8.1 N key: 7B9N3-D94CG-YTVHR-QBPX3-RJP64
  • Windows 8.1 Core Single Language: BB6NG-PQ82V-VRDPW-8XVD2-V8P66
  • Windows 8.1 Pro with Media Center: 789NJ-TQK6T-6XTH8-J39CJ-J8D3P
  • Windows 8.1 Enterprise key: MHF9N-XY6XB-WVXMC-BTDCT-MKKG7
  • Windows 8.1 Enterprise N key: TT4HM-HN7YT-62K67-RGRQJ-JFFXW

Note: if you use Windows 8, you get Windows 8 KMS key here

For example, I use Windows 8.1 Pro

Windows 8.1 Product Key Free

so I type: “slmgr.vbs /ipk GCRJD-8NW9H-F2CDX-CCM8D-9D6T9


Then you Enter

Step 3: You use the command “slmgr.vbs /skms” to connect to my KMS server.


Then you Enter

Step 4: The last step to activate your Windows you, use the command “slmgr.vbs /ato”.

ato windows 8.1


Then you Enter

Note: Sometimes my KMS servers are busy. So you will receive the error code 0xc004f074

error 0xc004f074 Windows 11 10 8 7

You type “slmgr.vbs /ato” again to reconnect my KMS servers.



You can see the result

Windows 8.1 Product Key Free

You can watch this video to know how to activate Windows 8.1 without product key for free 2021

With this method, you can activate:

  • Windows 8.1 Pro 32-bit/64-bit
  • Windows 8.1 Pro N 32-bit/64-bit
  • Windows 8.1 Enterprise 32-bit/64-bit
  • Windows 8.1 Enterprise N 32-bit/64-bit
  • Windows 8.1 Pro with Media Center 32-bit/64-bit

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