Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.

即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

Learn how to open MSConfig in Windows 10 using the taskbar search bar and access system configuration.

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 ...

How to set up Xbox Cloud Gaming on a Steam Deck device using the Microsoft Edge browser.

Learn how to connect to a Wi-fi network in Windows and manage your current network connections.

了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。

Hotmail 现在是 Outlook.com。 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。

If you need help with Outlook.com, you can read our self-help content, or get support via email.

Find the Recycle Bin. If your desktop shows no icons at all, right-click (or press and hold) the desktop and select View.If Show desktop icons has no checkmark, click it to add one. If that doesn't work, try this: