了解如何排查 Windows 中的文件资源管理器问题。 若要在Windows 10中打开文件资源管理器，请选择任务栏上的图标，按键盘上的 Windows 徽标键 + E，或选择用户图标) 正下方的“开始 > 文档 (”。 如果无法打开文件资源管理器，下面是一些可以尝试的方法。

Support for home products. Depending on your product and if it's still in support, Microsoft support experts are available to help you with a broad selection of support options and able to address product and service challenges for a more personalized experience. Chat or receive a call back from a technical support expert: If you have a Microsoft 365 Basic, Microsoft 365 Personal, or Microsoft ...

To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down.. I'm having trouble opening the Start menu

Under Proofing, if your language shows as Installed, you're ready to go.Otherwise press Not installed and Office will take you to a page where you can download the necessary Language Accessory Pack for that language. Follow the instructions on that page to download and install the pack, then come back to the Office Language Preferences dialog box to confirm that it's now installed.

在“开始”页面上，选择“立即下载”，在移动设备上下载并安装Microsoft Authenticator应用，然后选择“下一步”。有关如何下载和安装应用的详细信息，请参阅下载并安装Microsoft Authenticator应用。 如果要使用Microsoft Authenticator应用以外的身份验证器应用，请选择“我想使用其他身份验证器应用”。

Note: You might not be able to change the power mode when a custom power plan is selected.If you can’t set the power mode in Power & battery settings, open Control Panel, select System and Security > Power Options, then choose a Balanced power plan.

安装此更新后，Windows 可能会定期显示一条通知，通知你有关可能阻止Windows 更新使设备保持最新状态并防止当前威胁的问题。 例如，你可能会看到一条通知，通知你设备当前运行的是已结束其支持生命周期的 Windows 版本，或者你的设备不符合当前安装的 Windows 版本的最低硬件要求。

When you first sign into Microsoft Defender on Android, we'll walk you through a few easy steps that start with setting up web protection.During this process, we'll ask you to give Defender permission to do two things: run in the background and use the Accessibility Service.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

升级 Office 的选项会有所不同，具体取决于你当前拥有的 Office 产品的类型。 如果你的当前版本是一次性购买的非订阅 版 Office，例如 Office 家庭 & 企业版，请参阅下文。 如果已有 Microsoft 365 订阅，请选择下面的 “Microsoft 365 ”选项卡。