For Mac installation, open Finder > Downloads, and double-click on pkg which should automatically start the installation.For PC installation, click on Save, Run, Setup, or Save File when the download has completed, and installation should proceed as normal.Internet access is required only during the Office installation process, and Office can be used as normal offline afterwards. Once you have logged in, select Install office on the top right of the screen.
If you bought a physical copy, the Microsoft Office product key can be found inside the packaging. Installing Office 365 and Office 2016 on PC or Mac Here, we have provided a simple guide on how to install Microsoft Office software. While purchasing Microsoft Office is simple, you might find yourself running into problems when it comes to installing it. So, you’ve bought yourself a Microsoft Office 365 or a previous version and now you’re trying to install it.