Tips: If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter. If you're looking to open a new account, you can create one at https://signup.live.com/.

重要: 更新时间：2025 年 2 月 4 日 此支持文章最初于 2021 年 9 月 30 日发布，当时Windows 11首次向公众发布。 在发布时和今天，此支持页背后的意图是详细说明在满足Windows 11系统要求的设备上安装Windows 11的方法。 如果在不符合Windows 11系统要求的设备上安装了Windows 11，Microsoft建议立即 回滚到Windows 10 ...

Using Authenticator as a way to sign in If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in: Go to the site where you want to sign in. Enter your username at the sign-in prompt and select Next. Select Send notification.

Learn how to check for the latest Windows Updates and install them to keep your device running smoothly and securely.

注意: 你的 Hotmail 或 Outlook.com 密码与你的 Microsoft 帐户密码相同。 如果可以登录，但 Outlook.com 出现问题，请检查 服务状态。 如果状态不是绿色，请等到服务正常运行再重试。 Microsoft 始终保持留意异常的登录活动，以防其他人试图登录到你的帐户。 如果您在去新地方的旅途中或使用新的设备，我们 ...

Keyboard shortcuts are keys or combinations of keys that provide an alternate way to do something you'd typically do with a mouse. Here’s the list for the new Microsoft Edge and Microsoft Edge for Mac.

需要有关 Xbox 主机、Xbox 游戏或 Xbox 网络的帮助?了解如何与我们联系。

Learn how to use function VLOOKUP in Excel to find data in a table or range by row. Our step-by-step guide makes vlookup in excel easy and efficient.

The steps below describe how to change a known password for a Microsoft personal account. If you need to reset your Microsoft account password because you forgot it, see Reset your Microsoft account password instead.

Word Do any of the following: Insert symbol On the Insert menu, click Advanced Symbol, and then click the Symbols tab. Click the symbol that you want. Insert special characters On the Insert menu, click Advanced Symbol, and then click the Special Characters tab. Click the character that you want. Excel Insert a symbol On the Insert menu, click Symbol. Click the symbol that you want. PowerPoint ...