How to Download and install or reinstall Office 2021, Office 2019, or Office 2016

To download office, install office, or reinstall Office 2021, Office 2019, or Office 2016, sign in to your Microsoft account and go to microsoft365.com/setup. If needed, enter your office product key, download the installer for your product version, and then follow the on-screen steps to complete the installation and activation.

How to Download and Install or Reinstall Office 2021, Office 2019, or Office 2016?

  1. Go to office.com/setup.
  2. Sign in with your Microsoft account through microsoft365.com/setup.
  3. Enter your product key if you have one.
  4. Select your Office version (2021, 2019, or 2016).
  5. Click on Install Office to start download.
  6. Open the setup file when download finishes.
  7. Follow the on-screen steps to install.
  8. Open Word or Excel to sign in and activate Office.

Quick Tips

  • Always use the official Microsoft site (microsoft365.com/setup) to download Office.
  • Make sure your Windows is updated before installing.
  • If reinstalling, uninstall the old version first.
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