In this case, the 32-bit version of Office will be installed instead. The 64-bit version is installed by default unless Office detects you already have a 32-bit version of Office (or a stand-alone Office app such as Project or Visio) installed. Tip: This process automatically chooses the best version of Office to install for your system, based on a few factors. To complete the installation, follow the prompts in the “Install Office” section below. This completes the download of Office to your device.Select ‘Office 365 Apps’ to begin the installation.After signing in, click ‘Install Office’ near the top right of the welcome screen.Sign in with your email address and password (E.g., Aliases, like won’t work.Go to if you’re not already signed in, select Sign in.Visit the Office Portal and Sign in to Download Office Tip: If you are having trouble, use the Office Support and Recovery Assistant to uninstall Office. Follow the prompts to complete the uninstall.Select Programs > Programs and Features, then right-click your Microsoft Office product, and choose Uninstall.In the search box on the task bar, type control panel, then select Control Panel.For the best results, you will need to uninstall Office 2016 or earlier before proceeding. The latest version of Office 365 utilizes new technologies that are not compatible when older versions are installed. Get started with O365! Install Office on a PC Uninstall Older Versions