Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

If you find that an app is using a lot of battery when running in the background, you can change the setting for apps that allow it. Select the Start button, then select Settings > System > Power & battery > Battery usage. For an app that lets you manage the background activity, select More options (three vertical dots) > Manage background ...

KB5034441：适用于 Windows 10 版本 21H2 和 22H2 的 Windows 恢复环境更新：2024 年 1 月 9 日. Windows 10 Home and Pro, version 21H2 更多... 重要说明 不需要此更新，如果 Windows 恢复环境 （WinRE） 满足以下任何条件，则不会提供此更新：. 如果 WinRE 恢复分区没有足够的可用空间 ...

Windows 11的重新安装类型 下图提供了有关每种重新安装类型可以选择的不同选项的信息，包括应用、文件、个人数据以及重新安装所需的磁盘空间量。 使用此图表可帮助你决定使用哪个选项重新安装Windows 11。

Enable and disable your touchscreen in Windows. Windows 10. In the search box on the taskbar, type device manager, then select Device Manager. Select the arrow next to Human Interface Devices and then select HID-compliant touch screen. (There may be more than one listed.) Select the Action tab at the top of the window. Select Disable device or ...

There are many ways to shut down your PC—you can turn the PC off completely, you can make it sleep, or you can hibernate the PC.

本文介绍如何在 Windows 8.1、Windows 8、Windows 7 或 Windows Vista 中使用系统文件检查器工具来解决丢失或损坏的系统文件的问题。

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.

检查蓝牙设备. 确保蓝牙设备已打开、已充电或具有新电池，并且位于电脑的连接范围内。. 然后尝试执行以下操作：. 关闭你的蓝牙设备，等待几秒钟，然后将其重新打开。. 确保你的蓝牙设备位于有效范围内。. 如果你的蓝牙设备无响应或响应迟缓，请检查以 ...