How to install Office 365 App

Modified on Fri, 31 Oct at 9:26 AM

Sign In or Create a Microsoft Account

Go to setup.office.com or microsoft365.com.
Sign in with the Microsoft account associated with your Office 365 subscription. If you don’t have one, you’ll need to create it.

Download the Installer

After signing in, go to the Services & Subscriptions section.
Click Install Office, then select Microsoft 365 apps.
This will download the OfficeSetup.exe file (on Windows) or a .pkg file (on Mac).

Run the Installer

Open the downloaded file and follow the on-screen instructions.
On Windows, you may see a User Account Control prompt—click Yes to allow installation.

Activate Office

Once installed, open any Office app (like Word or Excel).
Sign in again with your Microsoft account to activate the software.