Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

Windows 中的登录选项用于增强用户帐户安全性和登录便利性的各种用途。 可以从“设置”应用访问登录选项。 在 Windows 设备上的“设置”应用中 ，选择“ 帐户 ”> “登录选项 ”或使用以下快捷方式：. 登录选项

Add participants to an existing group chat. You may only add external access participants to existing or ongoing chats that already include at least one external access participant.

Learn how reserved storage works in Windows to conserve disk space for temporary files, caches, and other files.

Microsoft Authenticator backs up your account credentials and related app settings, such as the order of your accounts, to the cloud. You can then use the app to recover your information on a new device, potentially avoiding getting locked out or having to recreate accounts.

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Tip: Instead of inviting people to share a notebook, you can create a special link to the notebook that you can then copy and paste into an email, into a text message, or onto a webpage.On the Send Link pane, click Copy Link.Keep in mind, access to this link is controlled by the access set for sharing at the top of the Send Link pane.

开始之前 你的 Surface 附带 Windows 恢复信息，可使用它恢复 Surface 或将其重置为出厂状态。 请在下载恢复映像前始终先尝试这样做。

On the sticker at the back of the console (the bottom of the console for Xbox One). In your settings. Select Profile & system > Settings > System > Console info.The serial number appears first in the list displayed.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.