How to Download and Install or Re-install Microsoft 365 or Office 2019 on a PC or Mac

How to Download and Install or Re-install Microsoft 365 or Office 2019 on a PC or Mac

Before you begin, make sure your PC or Mac meets the system requirements.

If this is the first time you're installing Office you may have some setup steps to do first. Expand the learn more section below.

However, if you're reinstalling Office, you've already redeemed a product key, or you're installing Office at work or school and know you have a license, then go to the section sign in and install Office on your PC or Mac.


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