Learn how to cast or mirror 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 activate Windows 11 using a digital license or a product key. Find out how to check your activation status, link your Microsoft account, and troubleshoot activation issues.

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.

Phone Link lets you access your Android device's text messages, photos, apps, calls, and notifications on your Windows PC. Learn how to set up Phone Link with a QR code or manually, and what system requirements and permissions are needed.

Phone Link lets you use your Android apps on your PC with a Wi-Fi connection. Learn how to set up, use, and troubleshoot Apps on select Samsung, HONOR, OPPO, ASUS, vivo, and Xiaomi devices.

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.

Learn how to download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac. Find out the system requirements, product keys, activation steps, and troubleshooting tips.

Learn how to use your microphone with apps on Windows by enabling some settings in Privacy & security. Follow the steps to allow apps access to your microphone and change the settings for each app.

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。