Is it demo or last version?
This download is actually a trial version of the Microsoft Office 2016 (known as Office 365). The new versions of Office run as a monthly subscription. The previous licensing was removed to make it easier for people to access their applications bundled with Office.
Download page: http://microsoft-office-2016.software.informer.com/download/
Official page: https://products.office.com/en-us/try
Are you referring to Microsoft office 365? its not called microsoft office 2016 anymore
Its the latest version and you pay a monthly renewal fee
Hope that helps