This cumulative update for Windows 11, version 25H2 and 24H2 (KB5077181), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained ...

The App & Browser Control page in the Windows Security app provides essential security settings that protect your Windows device from unsafe apps, files, websites, and downloads. By combining reputation‑based protection with exploit mitigation, it helps prevent malware, phishing attempts, and other security threats from compromising your system. The page is divided into the following ...

Frequently asked questions (FAQs) about Smart App Control, a Windows feature designed to block malicious, untrusted, or potentially unwanted apps from running on your device.

More options You get the following error code when you try to open a game or app on your Xbox console or PC: 0x80004005

Learn how to secure and manage your Xbox family group's online safety and privacy settings effectively.

Learn how to fix error 0x800705b4 so you can start an Xbox One game or app after you update the app.

Use the Information Protection viewer to view protected files in Windows, Android, iOS, or Edge.

我以前使用过手机连接 ，现在我的设备未连接或无法重新连接 如果像以前一样在重新连接设备时遇到问题，请执行以下步骤来解决此问题： 在 Android 设备上： 确保应用已更新到最新版本。 在移动设备上打开 连接至 Windows 。 在“关联帐户”下单击Microsoft 帐户名称。 转到 “帐户设置” > 注销和 ...

You see the following error code when you try to launch a game or app on an Xbox console or a PC: 0x80070005

使用适合 Android 和 iOS 设备的新版 Microsoft Edge，随时随地进行浏览。 Microsoft Edge 提供更好的保护和隐私，可以跨桌面和移动设备同步你的收藏夹、密码等。