Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips.Microsoft Defender is included in a Microsoft 365 Family or Personal subscription and works on your phone (Android or iOS), PC, and Mac.

但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。

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.

Select Settings, and under the About section, select About Photos. Photos: Says Updated in the About section of Settings—you are running the new version of the Photos app.This version includes features like iCloud integration in left navigation bar. This version of Microsoft Photos app offers a convenient and user-friendly way to view, import, organize, edit, and share photos and videos on ...

RAM. 16 GB (recommended) Storage type. Solid State Drive or SSD (recommended) Processor architecture. x64 or ARM64. Virtual Machine Platform. This setting needs to be enabled.

The SharePoint landing page serves as a comprehensive resource for end users exploring functionalities of SharePoint. It offers guidance on getting started with SharePoint, including how to sign in, create SharePoint sites, and set up pages to organize content effectively. Users can access tutorials on managing documents and libraries within SharePoint, as well as leveraging data and lists for ...

現在 Windows 10 を実行している場合、PC 正常性チェックにより、お使いのデバイスが Windows 11 の最小システム要件を満たす適格なものかどうかを確認するための包括的なチェックが実行されます。 お使いのデバイスが適格である、またはそうではない理由と、デバイスが要件を満たさない場合に ...

Windows devices may get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR).. Windows will let you know if you need to restart your device to complete an update, and you can choose a time that works best for you to complete that update.

For answers to frequently asked questions, see Windows Update: FAQ. To get the latest major update of Windows 11, see Get the latest Windows update. Check for Windows updates. In Windows 10, you decide when and how to get the latest updates to keep your device running smoothly and securely.

注意: 无线显示应用在运行 Windows 11 版本 22H2 及更高版本的设备上可用。如果运行的是早期版本的 Windows，请在任务栏的搜索框中输入 “连接”，然后在结果列表中选择“连接”，从而启动 “连接” 应用。 若要了解正在运行的 Windows 版本，请参阅 我运行的是哪个版本的 Windows 操作系统？