Click Install below Install Office 2016 for Mac.In the upper right hand corner, click Settings gear icon and select Office 365 Settings.In the Authentication Required window, enter your campus email address and NetID password and then select Log In.Enter your Stony Brook Email Address as username and select Sign In (don't enter a password yet).
You can download the latest suite of Microsoft Office applications from the Office 365 portal for up to 5 devices.