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TN WW111 Reset Windows 7 Rearm Counter for Evaluation License

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Have Windows 7 installed on an evaluation system, with an unactivated license.  Microsoft allows you to rearm the license four times, but you need additional time.


  • Author: Dillon Perera
  • Published: 05/18/2015
  • Applies to: Windows 7 (Not Enterprise Edition)




  1. Create a batch file with the following lines:
    1. ​reg load HKLM\MY_SYSTEM "%~dp0Windows\System32\Config\System"
    2. reg delete HKLM\MY_SYSTEM\WPA /f
    3. reg unload HKLM\MY_SYSTEM
  2. Reboot the computer and enter Windows Recovery (F8 menu> Repair your computer)
  3. Run the batch file that was created in step 1.
  4. Reboot the computer.
  5. Open Command Prompt
  6. Type in "slmgr.vbs -dlv" to check your license status.
  7. IF your license says it does not have a product key:
    1. Type in "slmgr.vbs -ipk XXXX-XXXX..."
      1. Replace the Xs with the appropriate product key:
            Ultimate – D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV
            Professional – HYF8J-CVRMY-CM74G-RPHKF-PW487
            Home Premium – RHPQ2-RMFJH-74XYM-BH4JX-XM76F
            Home Basic – YGFVB-QTFXQ-3H233-PTWTJ-YRYRV
            Starter – 7Q28W-FT9PC-CMMYT-WHMY2-89M6G
  8. Reboot.