PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC.

Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

If you need help setting up your external monitors, see How to use multiple monitors in Windows 10. Note: If you’re having trouble setting up multiple monitors on Surface, see Troubleshoot connecting Surface to a second screen.

Check your Game Bar settings. Press the Start button , then choose Settings. Go to Gaming > Game bar, then turn on Record game clips, screenshots, and broadcast using Game bar. When playing a game, press the Windows logo key + G to open Game Bar.

Find settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings . From there, browse the categories or use search to find what you're looking for. Most apps have their own settings. In the app, select Settings to make app-specific changes.

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.

尝试在 Xbox 或 Windows 设备上启动并玩其他游戏。. 如果问题仅发生在特定游戏中，请尝试将游戏重新安装到你的设备。. 有关如何执行此操作的详细信息，请参阅：. 如何在 Xbox 主机上安装游戏和应用. 如何安装或卸载电脑游戏. 如果尝试在此设备上玩的每款游戏 ...

To adjust power and sleep settings in Windows 11, select Start > Settings > System > Power & battery > Screen and sleep. Screen: Select how long you want your device to wait before turning the screen off when you're not using your device.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.