Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

The easiest way to get language packs for Windows 8.1 and Windows RT is to download and install them using the Language Control Panel. Download and install additional languages to view menus, dialog boxes, and other user interface items in your preferred language.

Download information. The following files are available for download from the .NET Download site: Download the Microsoft .NET Framework 4.8 offline installer package now.

Repair programs in Control Panel. Select the Advanced options link under the name of the app (some apps don't have this option). On the page that opens, select Repair if it's available.If it isn't available or doesn't fix the problem, select Reset.

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。

查看保修条款，检查维修状态并了解微软设备或配件的保护计划。

Chat: If you wish to guarantee Chat is turned off for a given PC, you can do so by mapping www.bing.com to either Nochat.bing.com (which will lock Chat as turned off for the given PC) or Nochatstrict.bing.com (which will lock Chat as turned off for the given PC and the SafeSearch setting as locked to strict), by following the same steps as outlined above but in step 6, pinging either “nochat ...

Windows 10, version 1909 and Windows Server, version 1909 update history; End of service statement; May 10, 2022—KB5013945 (OS Build 18363.2274)

Xbox Support 为 Xbox、Game Pass 和账单问题提供帮助。在 Xbox Support 社区中获取建议和客户服务。