Windows 11引入了一项称为动态刷新速率 (DRR) 的新功能，该功能会根据你当时执行的操作自动调整刷新率。 这可以帮助你获得两全其美：当你需要游戏、浏览或墨迹书写时获得流畅的体验，当你不执行这些类型操作时，电池使用时间更长。

Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.

注意: 如果使用 Microsoft 帐户 （例如 Outlook.com 、Hotmail、Live 或 MSN 电子邮件帐户）而不是工作或学校帐户登录，请注销，然后使用正确的帐户重新登录。 不确定使用哪个帐户登录？ 在 Outlook 导航标头中选择 “帐户管理员 ”。 如果未使用所需帐户登录，请选择“ 注销 ”并重新开始该过程，或选择 ...

Track and print results. When you create and send an email with voting buttons to others, you may want to track and print the results. You can either quickly copy the voting results into a blank Word document or a new email, or copy them into Excel so you can work with the data later.

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.

Microsoft 365 is our cloud-powered productivity platform. With a subscription to Microsoft 365, you can get: The latest productivity apps, such as Microsoft Teams, Word, Excel, PowerPoint, Outlook, OneDrive, and so much more.

Microsoft Edge is designed to detect and block known trackers. We let you decide what trackers to block. You can choose from three levels of tracking prevention: Basic, Balanced, and Strict.

Microsoft Clipchamp は、Windows 10 でビデオを編集するための移動ツールです。 そのユーザーフレンドリーなインターフェイスと編集オプションの広範な範囲を使用すると、簡単にシンプルまたは詳細なプロジェクトに取り組んでいるかどうか、高品質のビデオを作成することができます。

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Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.