Remove Office 365 which comes pre-installed on most new machines and any other office suite, see link below:

  1. https://support.microsoft.com/en-us/office/uninstall-office-for-mac-eefa1199-5b58-43af-8a3d-b73dc1a8cae3
  2. Once removed reboot and follow the guide below.

Sign in and install Office

  1. Go to https://setup.office.com/?ms.officeurl=setup and  sign in or create account. ( You must remember the account credentials used as your product key is now tied to this account and cannot be changed )

  2. After signing in go to subscriptions and install your purchase.

The latest Microsoft Office for Mac installer works for Office 2019 and requires Mac OS 10.12 or later. You can download the installer using this link. 

https://go.microsoft.com/fwlink/?linkid=525133.

The latest Microsoft Office for Mac installer for Office 2016.

https://www.macupdate.com/app/mac/54686/microsoft-office-2016/download 

Install Office

  1. Once the download has completed, open Finder, go to Downloads, and double-click Microsoft Office installer.pkg file (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 installer.pkg can't be opened because it is from an unidentified developer, wait 10 seconds and move the downloaded file to your desktop. Hold Control + click the file to launch the installer.

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

    First Mac 2016 installation screen with "Continue" highlighted
  3. Review the software license agreement, and then click Continue.

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

  5. Choose how you want to install Office and click Continue.

  6. Review the disk space requirements or change your install location, and then click Install.

    Note: If you want to only install specific Office apps and not the entire suite, click the Customize button and uncheck the programs you don't want.

  7. 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
  8. 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 for Mac.

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

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 for Mac. If Office activation fails, see What to try if you can't install or activate Office for Mac.

    Start activating Word 2016 for Mac

Installation notes

How do I pin the Office app icons to the dock?

  1. Go to Finder > Applications and open the Office app you want.

  2. In the Dock, Control+click or right-click the app icon and choose Options > Keep in Dock.