获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

In the upper left corner of the window, select the app launcher > All apps > SharePoint Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint.

注意: 使用安装介质重新安装Windows 11，同时选择“不保留任何内容” (干净安装) ，如果重新安装 Windows 的分区为 20GB 或更大，则将自动启用保留存储。保留存储空间将留出磁盘空间以供更新、应用、临时文件和系统缓存使用，因此可确保关键的操作系统功能始终可以访问磁盘空间，从而改进了电脑 ...

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.

Step 2: Back up your folders. Windows Backup is an easy, single stop for all of your backup needs. Your free Microsoft account comes with 5 GB of OneDrive cloud storage (and more storage is available if you need it), and backing up your folders syncs the folders you specify to your OneDrive account, making them instantly accessible on all computers that you use with this Microsoft account.

了解常见键盘Windows，包括复制、剪切、粘贴、最大化窗口等。 键盘快捷方式是指按键或按键组合，可提供另一种方式来执行通常使用鼠标执行的操作。

To access your sign-in options, go to Start > Settings > Accounts > Sign-in options.. Or just select this button: Go to Sign-in options. Change or manage your password or PIN. To change your password or PIN, go to Start > Settings > Accounts > Sign-in options. Select PIN (Windows Hello), and then select Change PIN.

如果在安装打印机或扫描仪时遇到问题，请参阅修复打印机问题或在 Windows 中安装和使用扫描仪。 使用“迅速配对”配对蓝牙设备 Windows 11中的 Swift Pair 允许你快速将受支持的蓝牙设备与电脑配对。 如果蓝牙设备支持“迅速配对”，那么当此蓝牙设备在你附近时，你将收到通知；只需切换到配对 ...

Important: Before trying any of the solutions below, make sure you back up your personal files. You can back up your Windows PC, or insert a USB drive and use File Explorer to drag and copy important files to the USB drive.If you’re signing into Windows with a Microsoft account, your system settings will be automatically restored after updating, once you’re connected to the internet.

清除云中存储的浏览数据（如果已打开同步或个性化） 若要管理和删除 Microsoft 云中保存的数据，请查看隐私面板。在隐私面板上可以查看或删除数据。 从隐私面板中删除的数据不会从设备中删除。