Windows 登录选项和账户保护 - Microsoft 支持
Windows Hello. Windows Hello 可使你通过你的面部、虹膜、指纹或 PIN 登录到你的设备、应用、在线服务和网络。 即使你的 Windows 设备可以使用 Windows Hello 生物识别，也不必这么做。
Why is my Internet connection so slow? - Microsoft Support
Learn how to recognize Internet connection problems and help improve your computer's online performance.
Windows background apps and your privacy - Microsoft Support
Learn more about what background apps are in Windows and how to turn them off when you're not using them.
Install the Windows 8.1 Update (KB 2919355) - Microsoft Support
Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.
Вирішення проблем із Bluetooth у Windows - Підтримка від Microsoft
Дізнайтеся, як виправити неполадки з Bluetooth у Windows. Вирішення проблем із підключенням пристрою або аксесуара Bluetooth.
Touch gestures for Windows - Microsoft Support
Touch gestures. You can use these gestures on the touch screen of your Windows 11 device. To turn touch gestures on, select Start > Settings > Bluetooth & devices > Touch > Three- and four-finger touch gestures, and make sure it's turned on.
Use annotation while sharing your screen in Microsoft Teams
Learn how to use annotation (powered by Microsoft Whiteboard) to collaborate with others on designs, presentations, and more while sharing your screen in a Microsoft Teams meeting.
Applies To:
Microsoft Teams
Request a refund for digital games | Xbox Support
Find out how to submit a request for a refund for a purchase of digital Xbox content.
Stay protected with Windows Security - Microsoft Support
Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.
Corrigir problemas de Bluetooth no Windows - Suporte da Microsoft
Saiba como solucionar problemas do Bluetooth no Windows. Resolva problemas ao conectar um dispositivo ou acessório Bluetooth.