Office KMS Authentication
中文- Update Date：2026-02-02
- Units：Information Technology Service Center
KMS Authentication – Offic 2021 LTSC
- No serial number is required for Office 2021 LTSC. However, the KMS authentication should be passed after installation. Unauthenticated Office can work normally for 30 days. If Office is not authenticated after 30 days, it will work abnormally.
- To confirm that you are one of the faculty, staff, or students of NYCU, system will request you to enter the NYCU Portal account/password for identification. When the identification is passed, KMS server can be connected for authentication.
Start by the Execution File
- According to your Office version, please right click the following link,
- Office LTSC 2021 , and save it as the new file.
- Open the KMS Authentication Webpage, enter your NYCU Portal account and password, and click “Submit.” (From August 1,2024, Microsoft will stop providing campus licensed software to all graduates. )
- After log in successfully, right click on the downloaded “.bat” file, and choose “Run as Administrator.”
- System will show the prompt for user account control. Please click “Yes” to continue the process. Then Office is activated successfully.
- The result of Successful Windows Activation is as follows:
If the sentence, “Product activation successful,” is shown on the underlined place in the picture, it means that the authentication is completed.
