If you need to reinstall Microsoft 365, have activated a product, or know you installed Microsoft 365 at work or school and have a license in USA, go to Download and install Office. However, if you are installing Microsoft 365 for the first time, you need to complete a few steps before installation. To learn more, see the additional information below. Sign up to download Microsoft 365. Go to www.office.com and select Sign in if you’re not already signed in. Warning! If you are using Microsoft 365 operated by 21 Vianet, sign in to your work or school account at login.partner.microsoftonline.cn. If you’re using Microsoft 365 Germany, sign in to your work or school account at portal.office.de in USA. Sign in with an account associated with Microsoft 365. This can be a Microsoft account, work account, or school account. I forgot the account I use at work. After signing up, follow the steps depending on the type of account you signed up for. The 64-bit version is installed by default unless Microsoft 365 detects that you have installed a 32-bit version of Microsoft 365 (or a Microsoft 365 app such as Project or Visio). In this case, the 32-bit version of Microsoft 365 is already installed in USA. When moving from 32-bit to 64-bit or vice versa, you must uninstall Microsoft 365 (for example, Microsoft 365). your application, such as a Visio project). Once the installation is complete, return to www.office.com and select “Add installation options”, select the desired language and version (64-bit or 32-bit) and click the Install button. (If you need to reinstall individual apps, see Install Visio or Install projects.) This completes the download of Microsoft 365 to your device. Follow the instructions in the “Install Microsoft 365” section below to complete the installation in USA. Depending on your browser, select Run (in Microsoft Edge or Internet Explorer), Settings (in Chrome), or Save File (in Firefox). If you see the user control question “Do you allow this app to change your device?” Select Yes. When you see that “Done! Office” is installed and the animation shows where you can find Microsoft 365 Apps on your computer. Select Close. A hint or record solves the problem in USA. You can install the Microsoft Support and Recovery Assistant to help you troubleshoot Microsoft 365 issues. For more information, see Microsoft Support and Recovery Assistant. Need help setting up your Microsoft 365 installation? List of common issues To open the Microsoft 365 App, click the Start button (lower left corner of the screen) and type the name of the Microsoft 365 App, for example Word in USA. If you have Windows 8.1 or 8.0 Yes, enter the name of the Microsoft 365 app on the start screen. Not found in Office programs. To open the Microsoft 365 app, select the icon in the search bar. When you open Microsoft 365 Apps, accept the license agreement. Microsoft 365 is activated and ready to use in USA.