If that doesn’t work, it might mean the batteries are low and should be replaced or recharged. The mouse cursor or keyboard input is slow or isn’t working correctly. Close all your open apps. If the performance improves, the number of open apps might have been interfering with your PC’s connection to the mouse or keyboard.

Windows Media Player 适用于基于 Windows 的设备。 使用此表查找适用于你的系统的 Player 版本。 （如果你使用的是 Mac，则可以下载适用于 QuickTime 的 Windows Media 组件来播放 Windows Media 文件。

Manage your Xbox subscription Game Pass Ultimate or a supported free to play game is required for cloud gaming. See what else you can do to get the most out of your subscription.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Microsoft generally releases the MSRT on a monthly cadence as part of Windows Update or as a standalone tool. (For exceptions, see Skipped releases.)Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families).For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.

Windows 更新プログラムのダウンロードおよびインストール中にエラー コードが表示された場合は、Windows Update トラブルシューティング ツールが問題解決に役立ちます。

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.

安装 Visio (Visio 计划 2 或 Visio Professional) 下面介绍如何安装Visio 计划 2 附带的桌面应用，以及 Visio Professional 或 Visio Standard 2021、2019 或 2016 的非订阅版本。 若已拥有Visio 计划 1，请参阅“Visio for the web”选项卡下的步骤。 步骤 1：将 Visio 与你的帐户关联

Note: If you're an IT admin, managing Surface for Business devices in your organization, see Recovery tool (Surface IT Toolkit) for another way to restore a supported Surface device to its factory state.

Remote Assistance Support from Microsoft allows a Microsoft support professional in another location to view your computer screen and work on your computer over a secured connection.Protect yourself from tech support scams.