Microsoft 支持可帮助你处理 Microsoft 产品的问题。 查找有关 Microsoft Copilot、Microsoft 365、Windows 11、Surface 等的操作方法文章、视频和培训。

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR code Searching for Microsoft Defender in your app store Sharing with your devices, the following link: Copy link We encourage you to install Microsoft Defender on at least five devices per person. Ready to give it ...

What if I can't find the recovery key? If your device is managed by an organization, check with your IT department to retrieve the recovery key. If you can’t find the BitLocker recovery key and are unable to undo any changes that caused it to be needed, you’ll have to reset your device using one of the Windows recovery options. Resetting your device will remove all of your files.

注意: 本文适用于由于 TPM 2.0 未启用或电脑支持 TPM 2.0 但尚未设置而无法升级到 Windows 11的用户。 如果你不熟悉此级别的技术详细信息，我们建议你查阅电脑制造商的支持信息，了解有关特定于你的设备的更多说明。

Learn what's new in Microsoft Edge like new privacy tools, language settings, and more extensions.

注意: Microsoft Authenticator 不适用于电脑或 Mac，因为出于安全原因，验证器应用通常用于智能手机。 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状态。 从 2025 年 7 月开始，Authenticator 中的自动填充功能将停止工作，并且从 2025 年 8 月起，密码将不再可在 ...

Tip: For additional security, select the optional checkbox which prompts you to update your password every 72 days. For even greater security, you can remove your password or require two steps to sign in. Learn more.

Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.

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本文中的信息仅在中国提供。 我们很高兴地向你推出荣耀、三星和 OPPO 特定设备上的“手机连接”！ 使用“手机连接”，可以轻松连接手机和电脑，以查看和回复短信、拨打和接听电话、查看和管理照片、接收移动通知，以及直接在电脑上使用手机屏幕。 将荣耀、三星或 OPPO 设备连接到电脑后 ...