重要: Microsoft帐户、Windows 操作系统和其他Microsoft产品包括密码，以帮助保护你的信息。 本文提供了一些选项，可用于在忘记密码时重置或恢复密码。 请注意，如果这些选项不起作用， Microsoft支持无法帮助你检索或绕过丢失或忘记的密码。

你还可以找到有关版本和所有已知问题的详细信息。 安装最近的更新可确保你同时获得可能错过的任何先前更新，包括任何重要的安全修复。 有关更新及其获取方式的详细信息，请参阅： Windows 11概述 - Windows 中的新增功能. Windows 11规范. Windows 11版本 22H2 的新增 ...

建立家庭组是鼓励正常的在线习惯和管理忙碌日程安排的一种简单有效的方法。 如需有关家庭订阅的帮助，请访问 Microsoft 365 家庭版。 登录. 详细了解家庭组功能. 你可以是家庭组的组织者或家庭成员 - 了解哪些 家庭组角色 最适合你的组。

Note: If a compatibility issue has been identified on your device that would disrupt your experience using Windows 11, we will temporarily delay your upgrade until the issue is resolved.Compatibility safeguard holds help ensure you have the best experience possible when upgrading and your productivity is not disrupted if critical apps or drivers are not yet compatible.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

从授权零售商处购买 Windows 11 的盒装副本. 产品密钥. 可在 Windows 11 包装盒内的标签上找到产品密钥。 从授权零售商处购买 Windows 11 的数字副本. 产品密钥. 可在购买 Windows 11 后收到的确认电子邮件中或在可通过零售商的网站访问的数字保险箱中找到产品密钥。

我忘记了我的密码. 转到 “恢复帐户”页，并按照提示操作。 若要详细了解如何重置密码，请参阅 重置忘记的 Microsoft 帐户密码。 Outlook.com 帐户受到攻击. 如果认为 Outlook.com 已受到攻击，请参阅我的 Outlook.com 帐户已受到攻击。 Outlook.com 帐户被阻止

Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...

Note: The Wireless Display app is available on devices running Windows 11 version 22H2 and newer.If you're running an earlier version of Windows, launch the Connect app by entering connect in the search box on the taskbar, and selecting Connect in the list of results. To find out which version of Windows you're running, see Which version of Windows operating system am I running?

To create the installation media, here's what you'll need: A PC with a reliable internet connection. The download time will vary, depending on your internet connection.