For developers on Mac, we recommend using Node Version Manager to install with the right permissions.
When the installation completes, restart your console (or if you are using Windows, restart your machine) to ensure you use the updated system environment variables.
The Office Add-in Validator will help you pinpoint errors in your manifest without having to check it manually.
Before you submit your Office Add-in to the store, you should test it locally by sideloading its manifest.
Be sure that the website is running, and then run the tool.
I installed my Ultimate Office 2007, but it will not accept my product key.
I have located the only Key product I know off on back of my computer and it is not being accepted. I bought this HP Notebook last around August 2007 in Framingham Massachussetts.
Please refer to the following link for available upgrade options: Office 2007 EOL To download and install Office 2013 for a single PC, Office 2016 for a single PC and Office 2016 for a single Mac go to My Account.