Learn how to mirror or project another device's screen to your Windows PC using Miracast. Follow the steps to install the Wireless Display app, connect to a wireless display, and add Cast to your quick settings.

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.

Learn how to download and install or reinstall Office 2019, Office 2016, or Office 2013 on your PC or Mac. Find out how to activate Microsoft 365, troubleshoot issues, and customize your installation options.

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

Learn how to create and use app passwords for devices that don't support two-step verification. Find out how to sign in with app passwords for different apps and devices, such as Xbox 360, Outlook, and BlackBerry.

Learn how to find, add, turn off, and remove extensions in Microsoft Edge, the browser for Windows 11 and Windows 10. Extensions are tools that customize your browser experience and offer you more control.

Learn how to link your Discord, Reddit, Steam, Twitch, and other social media accounts to your Xbox console or Windows device. Follow the steps to link an account using Game Bar, Xbox app, Steam, or QR code.

Passkeys are a new way to sign into your Microsoft account using your face, fingerprint, PIN, or security key. Learn how to create, use, and remove passkeys on supported devices and browsers.

Learn how to use the Phone Link app to access, edit, share, and sync your Android photos on your PC. You can also get photo notifications, insert photos into Office apps, and troubleshoot common issues.

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。