Office repeatedly prompts you to activate on a new PC
https://support.microsoft.com/en-us/office/office-repeatedly-prompts-you-to-activate-on-a-new-pc-a9a6b05f-f6ce-4d1f-8d49-eb5007b64ba1
Besides, check your KMS server configurations.
https://theitbros.com/ms-office-2016-activation-with-kms/
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