How To Download and install or reinstall Microsoft 365 or Office 2019 on a PC or Mac at office.com/setup

For PC Sign in to download Office
Go to office setup and if you’re not already signed in, select Sign in.

Sign in with the account you associated with this version of Office. This account can be a Microsoft account, or work or school account. I forgot the account I use with Office

After signing in, follow the steps that match the type of account you signed in with.

This completes the download of Office to your device. To complete the installation, follow the prompts in the “Install Office” section below.
Install Office
Install Office
Depending on your browser, select Run (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

If you see the User Account Control prompt that says, Do you want to allow this app to make changes to your device? select Yes.

The install begins.

Shows the progress dialog box that appears when Office is installing

Your install is finished when you see the phrase, “You’re all set! Office is installed now” and an animation plays to show you where to find Office applications on your computer. Select Close.

Office is installed now. Select Close

Installation or sign in issues?
Tip: You can download and install the Microsoft Support and Recovery Assistant to help with Microsoft 365 installation issues on a PC.

If you’re having an installation issue such as Office taking long to install, try Need help? for a list of common issues.


Activate Office
To open an Office app, select the Start button (lower-left corner of your screen) and type the name of an Office app, like Word.

If you have Windows 8.1 or 8.0, type the name of an Office app on the Start screen. Can’t find your Office apps?

To open the Office app, select its icon in the search results.

When the Office app opens, accept the license agreement. Office is activated and ready to use.

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For MAC Sign in and install Office
Go to www office com setup and if you’re not already signed in, select Sign in.

Sign in with the account you associated with this version of Office. This account can be a Microsoft account, or work or school account. I forgot the account I use with Office

After signing in, follow the steps that match the type of account you signed in with.

Follow the instructions below to complete installing your Office apps.