How to enroll in the Office Insider program if you're using Office 365 Enterprise

[Windows Central]

If you have a commercial subscription for Office 365, these are the steps you need to follow to install the latest Insider preview of Office 2016 apps.
Just like Windows 10, Microsoft offers an Insider program for Office, which lets subscribers get early access to upcoming features and enhancements. The only caveat is that while the desktop Office 2016 applications are virtually the same across subscriptions, the way to enroll in the program will depend upon the plan you're using.

Full story from the WindowsCentral blog...