How to Install Windows 7 certificate and key

If you want to active your windows7, you have to install Windows 7 certificate and key, this post will teach you how to install certificate and key

1. First, be sure to have SLIC 2.1 in your BIOS.
2. Download the 40 certificates available here (this is the first link in the post).
3. Put in C:/ the certificate that belong to the SLIC 2.1 of your BIOS.
4. Type cmd in Start menu.
5. Right-click on the first result (cmd.exe) and click on Run as administrator (confirm by clicking Yes if required).
6. Type in (Important: Replace “NAME” by the name of your certificate)
   Code:

   slmgr -ilc C:/NAME.xrm-ms

7. Wait until a message confirms that the certificate has been correctly installed.
8. Type in (Important: Replace the XXXXX by a valid SLP product key — Need one? Search Google for “22TKD F8XX6″)
   Code:

   slmgr -ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

9. Wait until a message confirms that the key has been correctly installed.

Note: Change C by the letter of your Windows 7′s partition.