To install or reinstall Microsoft 365, sign in at microsoft365.com/setup, click Install Office, and follow the prompts to download and install. For reinstallation, first uninstall it, then repeat the download and installation steps.

For PC (Windows):

  1. Sign in to your Microsoft account at microsoft365.com/setup.

  2. Click Install Office > Office 365 apps.

  3. Download and run the installer (Setup.exe).

  4. Follow prompts to install, then sign in to activate.

For Mac:

  1. Sign in to your Microsoft account at microsoft365.com/setup.

  2. Click Install Office > Office 365 apps.

  3. Download and run the installer (.pkg file).

  4. Follow prompts to install, then sign in to activate.

Reinstalling:

  1. Uninstall Microsoft 365.

    • On PC: Go to Control Panel > Programs.

    • On Mac: Drag Office apps to Trash.

  2. Follow the download and install steps above.