注意: 如果知道密码，但只想更改密码，请转到“account.microsoft.com 安全”选项卡，然后选择“更改我的密码”。. 如果知道用户名和密码但已停止工作，请阅读我的用户名和密码已停止工作。

Learn more about updates for Windows 10, version 2004, including improvement and fixes, any known issues, and how to get the update.

Create a document or other type of library in SharePoint to securely store files where you and your co-workers can find them easily, work on them together, and access them from any device at any time.

Skype help & learning. Limited emergency calling Skype is not a replacement for your telephone and has limited emergency calling capabilities depending on your country.

如果你不希望第三方站点在你的电脑上存储 Cookie，则可以阻止 Cookie。 但是执行此操作可能会导致某些页面无法正确显示，或者可能会从站点收到一条消息，通知你需要允许 Cookie 才能查看该站点。

Device Encryption is a Windows feature that enables BitLocker encryption automatically for the Operating System drive and fixed drives. It’s particularly beneficial for everyday users who want to ensure their personal information is safe without having to manage complex security settings.

Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.

Note: Some devices might have more than one presence sensor.If so, you can choose which one you want to use. May 2023 update for Windows 11 22H2 and later: Wake on approach can be enabled on systems that support S3 sleep state, such as desktops.For USB-connected presence sensors to work properly on these systems, you'll need to enable USB Wake Support (or a similarly named option) in BIOS ...

Windows provides the following privacy settings to give you control over your privacy. Advertising ID. Windows generates a unique advertising ID for each user on a device, which app developers and advertising networks can then use for their own purposes, including providing more relevant advertising in apps.

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。