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Office 2021 KMS Authentication


KMS activation is available within NTHU network, otherwise, you can use the VPN service.


Start by the execution file:



  1. Please download the file Office_2021KMS.bat and save it to your desktop, right click the program and choose "Run as administrator".
  2. If the sentence "Product activation successful" is shown on the underlined place in the picture, it means that the authentication is completed