重要: Microsoft帐户、Windows 操作系统和其他Microsoft产品包括密码，以帮助保护你的信息。本文提供了一些选项，可用于在忘记密码时重置或恢复密码。 请注意，如果这些选项不起作用， Microsoft支持无法帮助你检索或绕过丢失或忘记的密码。

Skype for Business makes it easy to connect and collaborate with coworkers and business partners around the world: Start instant message conversations and voice or video calls.

Training: In Microsoft PowerPoint, you can record your presentation, narration, and animation timings to give it a professional and polished feel. Watch this video to learn how.

更新 Surface 设备和 Windows。 下载最新的驱动程序和固件更新，以使 Surface 设备保持最佳性能。

Here are answers to some common questions about the 32-bit and 64-bit versions of Windows.

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This page describes the system settings on your Xbox console. These settings enable you to learn about and control some of your console’s core behavior.

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.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Kontaktieren Sie den Microsoft-Support. Suchen Sie nach Lösungen für häufige Probleme, oder erhalten Sie Hilfe von einem Supportmitarbeiter.