Installing Microsoft Defender | Microsoft Support
Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Download Microsoft Authenticator | Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
Gaming Services Repair Tool for PC | Xbox Support
Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.
Xbox Status | Xbox Support
Check Xbox services, games, and apps for service outages or functionality issues.
Descargar Microsoft Authenticator | Microsoft Support
La aplicación Microsoft Authenticator le ayuda a iniciar sesión en sus cuentas cuando usa la verificación en dos pasos.
How to start a scan for viruses or malware in Microsoft Defender ...
If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.
Applies To:
Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
2026 年 5 月 12 日 - KB5087544(操作系统内部版本 19045.7291 和 19044.7291 ...
重要提示:大多数 Windows 设备使用的安全启动证书已开始在 2026 年 6 月过期。 若未能及时更新,这可能会影响某些个人和企业设备安全启动的能力。 为避免中断,建议查看指南并提前采取措施更新证书。 有关详细信息和准备步骤,请参阅 Windows 安全启动证书过期和 CA 更新。
Install Project | Microsoft Support
See how to install Project 2013 and 2016 and Project Pro for Office 365.
Applies To:
Project Online Desktop Client, Project Professional 2024, Project Standard 2024, Project Professional 2021, Project Standard 2021, Project Professional 2019, Project Standard 2019, Project Professional 2016, Project Standard 2016, Office 365 Small Business
“手机连接”要求和设置 | Microsoft Support
手机连接允许将 Android 或 iPhone 连接到 Windows 电脑,从而可以直接在计算机上访问许多手机功能。 你可以轻松地阅读和回复短信、查看移动设备中的最近照片、使用喜欢的移动应用、拨打和接听电话,以及从电脑上的移动设备管理通知。
Update Bluetooth drivers in Windows | Microsoft Support
Update the Bluetooth driver using Device Manager Select Start, type Device Manager,and then select it from the results. Expand Bluetoothto view the list of Bluetooth devices and adapters. Right-click your Bluetooth adapter, and then select Update driver. Select Search automatically for drivers. Follow the on-screen instructions. Restart your PC after the update completes. Note If Windows ...