Options are available in the upper right corner of the laptop or PC screen.
The following is a tutorial on how to permanently activate Office 2016 offline, quoted from the Microsoft help page: You can do this activation yourself, as long as you are connected to the internet. Once you have the product key, you can activate Office 2016 quickly and easily. How to Activate Office 2016 with Serial Number
This productive suite variant of MS Office was released for Mac OS on July 9 and moved to Microsoft Office for Windows PC on September 1, 2015, for Office 365 supporters.
It will usually come pre-presented on your device if you got it from an online store, physical store if you’ve moved beyond a friend, or as a school understudy.
How you deal with Find MS Office 2016 serial key depends on how you got MS Office 2016. When you introduce or establish MS Office 2016, you will be prompted to enter a 25 character Microsoft Office 2016 product key, which looks like this: What is the Microsoft Office 2016 Product Key?