解决安装 Windows SP1 时遇到的问题. 如果你尝试安装 SP1 并看到指示安装未成功的错误消息，这可能是因为用于安装更新的 Windows 维护服务商店出现问题，或者是因为你的防病毒软件阻止安装更新。

If Windows Update finds an updated driver, it will download and install it, and your printer will automatically use it. If a device driver couldn’t be installed automatically, there may be an optional driver available that your printer can use.

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

Notes: Macro Repeat does not support switching applications.For example, if you open your Web browser while a macro is repeating in a game, the macro stops repeating. Likewise, if you include a command in a macro to switch to a different application, Macro Repeat does not take effect, and the macro runs once only.

Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.

This article describes the Microsoft .NET Framework 4.7.1 offline installer for Windows 7 Service Pack 1 (SP1), Windows 8.1, Windows 10 Anniversary Update, Windows 10 Creators Update, Windows Server 2008 R2 SP1, Windows Server 2012, Windows Server 2012 R2, and Windows Server 2016.

重要: Microsoft帳戶、Windows 作業系統及其他Microsoft產品都包含密碼以協助保護您的資訊。本文提供一些選項，您可以在忘記密碼時用來重設或復原密碼。 請注意，如果這些選項無法運作， Microsoft支援無法協助您擷取或規避遺失或忘記的密碼。

On a device that uses battery power, if you select Start > Settings > Personalization > Taskbar and the Power toggle is greyed out or not visible, in the Search box on the taskbar, type device manager, and then select Device Manager in the list of results. Under Batteries, right-click (or long-press) the battery for your device, select Disable, and select Yes.

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

Microsoft doesn't make or support Outlook Express anymore. But the Mail Migration add-on can help you move your email and contacts over to Outlook.com. The add-on automatically moves your email and contacts, and you can keep your current email address.