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Screen mirroring and projecting to your PC or wireless display
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.
Download Microsoft Authenticator - Microsoft Support
Detailed information about downloading and using Microsoft Authenticator in China. The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
Update drivers manually in Windows - Microsoft Support
Check for Windows updates. Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.
Use Snipping Tool to capture screenshots - Microsoft Support
Take a snapshot to copy words or images from all or part of your PC screen. Use Snipping Tool to make changes or notes, then save, and share. Capture any of the following types of snips: Freeform. Draw a freeform shape around an object. Rectangle.
Find your documents in Windows - Microsoft Support
Find your files in Windows 11 using one of these methods. Search from the taskbar: Type the name of a document (or a keyword from it) into the search box on the taskbar. You'll see results for documents across your PC and OneDrive.
Enable TPM 2.0 on your PC - Microsoft Support
TPM 2.0 is used in Windows 11 for a number of features, including Windows Hello for identity protection and BitLocker for data protection. In some cases, PCs that are capable of running TPM 2.0 are not set up to do so. If you are considering upgrading to Windows 11, check to ensure TPM 2.0 is enabled on your device.
Language packs for Windows - Microsoft Support
Use the Add a language feature to install another language for Windows 11 to view menus, dialog boxes, and supported apps and websites in that language. To do this: Select Start > Settings > Time & language > Language & region. Open Language settings. Go to Preferred languages, select Add a language.
Get the latest Windows update - Microsoft Support
Get Windows updates as soon as they're available for your device. When the latest Windows update is ready for your device, it will be available to download from the Windows Update page in Settings.
Installing Microsoft Defender - Microsoft Support
Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR code. Searching for Microsoft Defender in your app store. Sharing with your devices, the following link: Copy link.
Applies To: Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
屏幕镜像和投影到电脑或无线显示器 - Microsoft 支持
屏幕镜像和投影到电脑或无线显示器. Windows 11 Windows 10. 如果你正在使用 Windows 电脑,并且想要在电脑设备上显示来自其他屏幕的应用程序和内容,则需考虑将设备屏幕镜像或投影到电脑。. 请注意,需要支持 Miracast 的设备。. 下面介绍如何将另一个屏幕或项目 ...