Hi, I'm Bernard. I'm happy to help!
To transfer Office 2016 to another PC, kindly follow the guidelines below:
Step 1. Make sure that your Office 2016 is associated with your account, or you still have the product key:
Go to this link: https://setup.office.com/
Note: If you still have the product key, select "Get Started"
If it's already associated with your Microsoft account, select "Already entered your product key? Install apps from your Microsoft account"
Step 2. Uninstall Office 2016 from the old PC:
Press the Windows key + R, then type in:
appwiz.cpl
Then hit OK
Look for the Microsoft Office or Microsoft 365 app > Right-click, then select Uninstall
Follow the prompts to uninstall your Office app.
Then reinstall your Office app by following the steps from the link below:
https://support.microsoft.com/en-us/office/download-install-or-reinstall-microsoft-365-or-office-2024-on-a-pc-or-mac-4414eaaf-0478-48be-9c42-23adc4716658