.NET Framework修复工具遵循四个步骤： 尝试排查安装问题. 应用修补程序 (需要用户同意) 尝试修复所有已安装版本的.NET Framework. 收集日志 (需要用户同意) 该工具可能会对已安装的.NET Framework版本进行一次或多次更改。 例如，它可以更正计算机上 Windows Installer 的状态，重置某些文件夹上) (DACL 的可自由访问控制列表，或解决与无效或损坏的更新注册相关的问题。 脱机支持. .NET Framework修复工具提供了一个选项，用于修复计算机上安装的.NET Framework版本 (“修复工具选项”部分) 的进程步骤 3。 该工具要求这些版本的可再发行文件在修复时可用。

摄像头、视频和音频. Windows Hello人脸身份验证相机 (前置) 5.0MP 前置摄像头与 1080p Skype HD 视频. 8.0MP 后置自动对焦摄像头，配备 1080p 全高清视频. 双麦克风. 1.6W 立体声扬声器与杜比®音频™高级版. 无线连接. Wi-Fi：IEEE 802.11 a/b/g/n/ac 兼容.

Follow these steps to temporarily turn off real-time Microsoft Defender antivirus protection in Windows Security. However, keep in mind that if you do, your device may be vulnerable to threats. Select Start and type "Windows Security" to search for that app.

Windows will let you know if you need to restart your device to complete an update, and you can choose a time that works best for you to complete that update. The latest Windows update is Windows 11, version 23H2, also known as the Windows 11 2023 Update.

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.

If you loved the free solitaire games from earlier versions of Windows, we've wrapped them all up in one convenient app, the Microsoft Solitaire Collection. On the Microsoft Solitaire Collection page in Microsoft Store, select Install. The game will download and install automatically. To launch the game, select Play.

You see the following error code when you try launching a game on Xbox console or Windows device: 0x803F8003. This may mean that your subscription or trial that the game was tied to has ended. This may also mean that there’s an issue with the game.

Installing a game ensures you get the full Xbox console experience that includes features like native 4K screen resolution and local multiplayer. Let’s look closer at both options to help you decide which is right for you. Note Cloud gaming does not support local multiplayer.

How to open Microsoft Store on Windows. Select Start then enter Microsoft Store. Select it to open the app. If Microsoft Store won't launch, get more info at Microsoft Store does not launch.

Looking for help? For help from an agent, follow the Get help link below to chat or request a call—we’ll call you so you don’t have to wait. For even faster help, search for your topic on our site. Get help. For Business users: To find a customer service phone number in your country, please click a region and find your country.