Learn how to mirror or project another device's screen to your Windows PC using Miracast. Follow the steps for Windows 11 or Windows 10 to install and use the Wireless Display app or the Connect app.

Learn how to enable virtualization on Windows 11 to run Android or Linux apps on your device. Follow the steps to access the UEFI (or BIOS) and turn on Virtual Machine Platform in Windows.

Learn where to enter your Office product key for different versions and scenarios, such as Microsoft 365, Office 2021, or Microsoft Store purchases. Find tips and troubleshooting for common issues with product keys.

Learn how to download and install Microsoft 365 or Office 2019, 2016, or 2013 on your PC or Mac. Find out how to activate Office, troubleshoot issues, and switch languages or bit versions.

Learn how to add, remove, or change verification methods for your Microsoft account sign-in. Find out why you need a verification code and how to troubleshoot issues with it.

Learn how to turn on Bluetooth and pair various devices with your PC, such as keyboards, mice, phones, speakers, and more. Find out how to use Swift Pair, fix Bluetooth problems, and adjust Bluetooth pairing settings in Windows 11 and earlier versions.

Phone Link is the new name for Your Phone app, which lets you access your mobile apps and content on your Windows PC. Learn how to set up and use Phone Link with Android devices, Samsung devices, and Surface Duo.

Learn how to find and install digital downloads from Microsoft Store, such as Office, Windows, and Xbox games. Follow the steps for your product, or contact support if you need help.

Learn how to play different formats of audio and video files with Media Player and codecs. Find out which codecs are included with Windows 10 and which ones you can install from the Microsoft Store.

如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。