Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

If you run into problems trying to connect to a Bluetooth device, here are some troubleshooting steps to try. Note: For general info about how to connect a Bluetooth device to your PC, see Pair a Bluetooth device in Windows.

How to get and use app passwords. After you turn on two-step verification or set up the Authenticator app , you may run into issues if you use older devices (like Xbox 360 or a mail-sending security camera) that don't support two-step verification.

Did this resolve your issue? Check the Xbox services, games, and apps for any service outages.

Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

Restore from a system restore point. Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

You can link your social media account in one of two ways: Use the Xbox mobile app to scan the QR code. Select the Link option which will launch the Microsoft Edge app on Xbox. You can choose to link your Discord, Reddit, Steam, Twitch, or other social media account.

A Subscribed badge means a Microsoft 365 subscription such as Microsoft 365 Family or Personal is already associated with your account and you can access many of your subscription benefits including installing the desktop apps.

Stay safe with a genuine Office license. After launching an Office app, you might receive a message that says Get genuine Office. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.