Note: Before you can use Authenticator as a way to sign in, you need to download the app and have already added Authenticator to your accounts. 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:

To use mobile apps on your Windows 11 PC, you need to install the Amazon Appstore. Once it's set up, you'll be able to browse and install mobile apps from a curated catalogue.

注意 并非所有控制杆问题都能使用此重新校准工具来解决，包括因正常磨损造成的偏移。 如果你要自行修理控制器，那么在更换控制器的基板和电路板后，应使用此重新校准工具。

DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。 某些应用程序和游戏需要 DirectX 9。 但是，你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏，你可能会收到错误消息“无法启动 ...

To change the default app, you can do either of the following: Set a default for a file type or link type In the search bar, enter the file type or link type you want, then select it from the list of results. ... You may want your .pdf files, or email, or music to automatically open using an app other than the one provided by Microsoft. To ...

If you tried all of these steps and are still having issues, we recommend sending your log files for diagnostics. Open the app, go to the app’s top-level menu, and then select Send feedback. After that, contact Support or go to the Microsoft Authenticator app forum and explain the problem you're seeing and the steps you tried.

如果你的 Xbox 主机或配件不再符合标准有限保修的资格，则可能有资格享受免费保修服务。下表按设备类型概述已过保修期的服务费用。超出保修期的收费包括适用的税费（加拿大、印度和美国除外）。

查找如何设置和使用 Xbox 耳机、控制器和其它 Xbox 附件。Xbox Stereo 耳机 最新的 Xbox 耳机通过与控制器的有线连接提供高质量的音频和聊天。

Learn more. Fix problems with apps from Microsoft Store. Manage your purchases from the Microsoft Store. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

查找 Microsoft Excel 帮助和学习资源。 了解如何有效使用 Excel 的指导文章、指南、培训视频和提示。 跟着现场讲师学习 Microsoft 提供实时指导，帮助你学习 Excel 公式、提示等，从而节省时间并提升技能。