Find solutions for Xbox account and profile issues, manage settings, and get support for your Xbox experience.

Support for Office 2021 will end on October 13, 2026. Learn more about your options for Office.

注意 Microsoft Authenticator 不 适用于电脑或 Mac，因为出于安全原因，验证器应用是专为智能手机设计的。 了解详细信息。 Microsoft 不再支持超过一年的 Authenticator 版本。 始终使设备保持最新。 中国用户应阅读 如何在中国下载和使用 Microsoft Authenticator。

XBOX Support offers help for XBOX, Game Pass, and billing questions. Get advice and customer service in the XBOX Support community.

Learn how to use Snipping Tool to capture a screenshot, or snip, of any object on your screen, and then annotate, save, or share the image.

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 遇到问题，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 ...

Under Share my internet connection from, choose the internet connection you want to share. Under Share over, choose how you want to share your connection—over Wi-Fi or Bluetooth. Wi-Fi is usually faster and the default. (Optional) Expand the Properties section, then select Edit and enter a new network name, password, and network band. Select Save. Turn on the Mobile hotspot toggle at the top ...

To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down .

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

打开“设备管理器” 选择“ 开始 ”，输入 “设备管理器 ”。 然后，从搜索结果中选择 “设备管理器 ”。