Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page. In the File Download dialog box, click Run or Open, and then follow the steps in the Windows Security Troubleshooter.

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摘要 Windows 恶意软件删除工具 (MSRT) 有助于从运行以下任何操作系统的计算机中删除恶意软件： Windows 11 Windows Server 2022 Windows 10 Windows Server 2019 Windows Server 2016 Windows 8.1 Windows Server 2012 R2 Windows Server 2012 Windows 7 Microsoft 通常每月都将 MSRT 作为 Windows 更新的一部分或独立工具进行发布。 （有关异常，请 ...

如果你使用的是 Windows 11，并在使用 Microsoft Store 中的应用时遇到问题，请考虑这些更新和修复程序。 首先，登录到你的 Microsoft 帐户。 接下来，按照显示的顺序实施这些可能的解决方案。 确保 Windows 是最新的。 选择“ 开始 > 设置 ”> Windows 更新 > 检查更新。 如果有可用更新，请选择“立即安装 ...

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Alpha Ring (2506.250612-1215) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Alpha ring today. Continue reading below to learn all about what's included with this update.

激活有助于验证你的 Windows 副本是否为正版，且未在超过 Microsoft 软件许可条款所允许数量的设备上使用。 如果无法激活Windows 11，激活疑难解答可能会有所帮助。 若要使用疑难解答，请选择“> 系统 > 启动 > 设置 ”，然后选择“ 疑难解答 ”。 打开“疑难解答设置” 必须以管理员身份登录才能使用 ...

Learn how to keep your Microsoft account safe, including making a strong password, identifying safe emails, and reviewing account activity.

Learn how to identify and open encrypted and protected emails no matter what email client you're using.