How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

了解智能电视上的 Xbox 云游戏应用。

选择“我的档案”>“自定义档案”，然后选择当前玩家代号。. 在“选择新玩家代号”下，在文本框中输入想要的玩家代号，然后选择“检查可用性”。. 你可能会收到一条消息，指出所需的玩家代号不可用。. 如果是这样，请重试，直到可用。. 在下一页上 ...

通过将 Microsoft Rewards 应用下载到 Xbox 主机，在玩游戏或购物时关注积分并赢得积分：. 按“Xbox”按钮 打开指南，然后转到“Microsoft Store”。. 选择“搜索”，然后在搜索框中输入“Microsoft Rewards”。. 从结果中选择 Microsoft Rewards 应用，然后将其下载到主机。. 还 ...

Summary. Windows 10, versions 2004, 20H2, 21H1, 21H2, and 22H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 10, version 22H2 are included in the latest monthly quality update for Windows 10, version 2004, 20H2, 21H1, and 21H2 but are in an inactive and dormant state.

Sign in to Microsoft 365 admin center with your Microsoft 365 admin account, and select Support > Help and support, enter your question and select Contact support. If you're an admin on the account you can also call (800) 865-9408 (toll-free, US only). If you’re outside the United States, see the global support phone numbers. Business Assist ...

了解 Xbox X|S、Xbox One、Xbox 360 和 Windows 10 上的 Call of Duty（使命召唤）、如何购买该游戏以及从哪里可获取疑难解答帮助。

Step 1 - Uninstall Office using the uninstall support tool. Click the button to download and install the Office uninstall support tool. Download. Follow the steps below to download the uninstall support tool according to your browser. Tip: The tool may take a few minutes to download and install. After completing the installation, the Uninstall ...