解决安装 Windows SP1 时遇到的问题. 如果你尝试安装 SP1 并看到指示安装未成功的错误消息，这可能是因为用于安装更新的 Windows 维护服务商店出现问题，或者是因为你的防病毒软件阻止安装更新。

Protected messages allow the sender to set specific permissions on a message, such as Do Not Forward or Do Not Print. If you receive a protected email message sent to the work or school account you use with Microsoft 365 in Outlook or Outlook on the web, the message should open like any other message.

What is a Microsoft account used for? You need a Microsoft account to sign in to your Windows pc, Xbox console, or any of Microsoft’s products and services, including Office, Outlook.com, OneDrive, Xbox Live, Microsoft 365, Family Safety, Skype, Bing, Microsoft Store and MSN.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

Experience AI-powered browsing with the new Bing built-in. Get comprehensive answers, summarized information, and find inspiration side-by-side in Microsoft Edge.

Features with audio and video functionality.. Many features that come as part of Windows can be used to view or play video or audio content, such as the OneNote app which allows users to record or play audio, the Microsoft Edge web browser which can play internet-based media content, the Photos app, the OneDrive app, and others.

Check the Xbox services, games, and apps for any service outages.

Microsoft Edge 是 Microsoft 推荐的浏览器. Windows 8.1不再支持 Internet Explorer 11。 相反，我们建议切换到 Microsoft Edge。 Microsoft Edge 是为了给你带来最好的上网体验而建立的，让你在浏览网页时有更多自主性，并获得更多隐私保护。

App publishers sometimes update their apps to add new features and fix problems. Microsoft Store on Windows can automatically install app updates.

When you’re away from your console or your Windows 10/11 device, you can still get ready to play your next Xbox console game. Use the Xbox mobile app, the Xbox Game Pass app, or the Microsoft Store on PC to remotely install games—so your games are ready when you are.