Depending on which Office 365 plan you have, you can download the latest version of Office for Mac with Office 365 for business. Watch this video to see how it’s done.
To install the latest version of Office for Mac
At the top right of the page, click Settings > Office 365 Settings.
On the Office page, select Language, and then click Install.
Tip: To learn more, see Install Office on your PC or Mac with Office 365 for business.