Step-by-step installation instructions

If you have an Office product from one of the Office for home or business plans, select your plan and the type of computer you want to install Office on.

NOTE: If your organization subscribes to the Home Use Program, see Install or reinstall Office through the Home Use Program (HUP).

Install on a Mac


 If this is a new copy of Office and you haven't redeemed your product key (if one came with your copy) or associated it with a Microsoft account, go to and follow the prompts to sign in and enter your product key.

  1. Go to My Office Account at If you're not already signed in with the Microsoft account associated with your copy of Office do that now. If you're signed in with a different account, sign out of that and then sign in again with the correct Microsoft account.

  2. On the My Account page, under the name of your subscription, select Install.

    Office Store My Accounts page showing the Install button

  3. On the next page, under Install information, select Install to begin downloading the installation package.

    The second install screen on your My Accounts page

  4. Once the download has completed, open Finder, go to Downloads, and double-click Microsoft_Office_2016_Installer.pkg(the name might vary slightly).

    The Downloads icon on the Dock shows the Office 365 installer package

    TIP: If you see an error that says the Microsoft_Office_2016_Installer.pkg can't be opened because it is from an unidentified developer, wait 10 seconds and then try double-clicking the installer package again. If you're stuck at the Verifying…. progress bar, close or cancel the progress bar and try again.

  5. On the first installation screen, select Continue to begin the installation process.

    First Mac 2016 installation screen with "Continue" highlighted

  6. Review the software license agreement, and then click Continue.

  7. Select Agree to agree to the terms of the software license agreement.

  8. Review the disk space requirements, and then click Install.

  9. Enter your Mac login password, if prompted, and then click Install Software. (This is the password that you use to log in to your Mac.)

    Enter your admin password to begin installing

  10. The software begins to install. Click Close when the installation is finished. If Office installation fails, see What to try if you can't install or activate Office 2016 for Mac.

    Shows the final page of the installation process, indicating that the installation was successful.

TIP: Were these steps helpful? Please leave us a comment!

Launch an Office for Mac app and start the activation process

  1. Click the Launchpad icon in the Dock to display all of your apps.

    Shows the Launchpad button in the Dock

  2. Click the Microsoft Word icon in the Launchpad.

    Shows the Microsoft Word icon in a partial view of the Launchpad

  3. The What's New window opens automatically when you launch Word. Click Get Started to start activating. If you need help activating Office, see Activate Office 2016 for Mac. If Office activation fails, see What to try if you can't install or activate Office 2016 for Mac.

    Start activating Word 2016 for Mac