In the top menu bar select Finder > Applications and scroll down to the Microsoft Office apps.
Open any Office app, like Microsoft Word and in the What's New box that opens, select Get Started.
On the Sign in to activate Office screen, select Sign in.
Note: If you weren't prompted to sign in, open a blank file and go to File >New from template > Sign in.
Enter the email address associated with Microsoft 365 for Mac and click Next.
Note: This may be different than the email account assigned to you by your employer.
Enter the password associated with the email address you entered, and click Sign in.
Note: This screen may look different depending on your email provider.
The system checks if you have a valid license and then will activate the product.
You're done! Click Start Using Word, to start using the app.
Tip: To make the Office apps easy to launch, you can add them to the dock.