In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select Start > Settings > Windows Update .

Before you start, make sure that your Windows 11 PC supports Bluetooth. For more info on how to check, see Fix Bluetooth problems in Windows. If you need help adding a device without Bluetooth capabilities, see Add a device to a Windows PC.

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

某些防病毒软件可能阻止安装 SP1，或降低安装速度。 在安装之前，你可以暂时禁用防病毒软件。 如果这样做，请确保你了解可能涉及的风险，并在 SP1 完成安装后立即重新启用防病毒软件。 了解如何安装 Windows 7 Service Pack 1 (SP1)。 包含有关如何获取下载、要求和其他内容的信息。

Learn how to back up apps, settings, files, photos, and Microsoft Edge favorites and preferences on your Windows PC.

Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。. 要创建安装介质，请转到 软件下载网站 ，你可以在这里找到分步说明。. 在该网站上，你可以选择 Windows 版本，并使用 U 盘或 DVD 创建自己的安装介质。. 要直接转到 ...

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

Get the steps for changing your home page in Microsoft Edge, Internet Explorer 11, Google Chrome, Firefox, and Safari.