Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hello Faithlyn
I'm Diane, an M365 Apps & Services MVP and I’m happy to help you today.
You don't need to deactivate it - that is only if the old computer is working. The new motherboard caused the install to deactivate automatically.
If Office won't activate over the internet, you will need to contact Microsoft to activate.
Activation wizard - reinstall https://support.microsoft.com/office/activate-office-using-the-activation-wizard-1144e0de-e849-496e-8e33-ed6fb1b34202#BKMK_Reinstall
-- Diane
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