If you need a more modern version with ongoing support, consider or Office LTSC 2024 as alternatives.
How to Install my Office Professional Plus 2016 onto a new computer? buy office professional plus 2016
Requires a 1 GHz processor, 2 GB RAM, and at least 3 GB of disk space. 4. Key Buying Considerations If you need a more modern version with
Do you need help or activating a key you’ve already purchased? 2 GB RAM
Support for Office 2016 and Office 2019 ended on October 14, 2025 and there will be no extension and no extended security updates. Microsoft Support
End of support for Office 2016 and Office 2019 - Microsoft Support
Sites like Softwarehubs (~$110) or Wholsalekeys (~$20) offer digital keys.