How to register office 2016 ?

It depends on which bundle you have.   Many people start the process by installing a copy of Office 2016/365.

You can also go to the MyAccount page:

**http://office.microsoft.com/myaccount**

and activate your license then perform the install of the activated license

https://products.office.com/en-us/download-back-up-restore-microsoft-office-products   365 / 2016 / 2013 / 2010 / 2007 (you may have to scroll down)

Check out these links on that page for more information:

·     Learn more about My Account

·     Learn more about subscription management

Also take a look at this FAQ page:

FAQ- Office 365 Consumer FAQ

https://products.office.com/en-us/microsoft-office-for-home-and-school-faq

Find answers to commonly asked questions about Office and Office 365.