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

了解如何管理 Microsoft 帐户安全信息和排查验证码问题。

Use Windows accessibility features, such as Focus assist, to help improve focus on tasks and minimize distractions.

Saiba como solucionar problemas do Bluetooth no Windows. Resolva problemas ao conectar um dispositivo ou acessório Bluetooth.

Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.

Learn how to use annotation (powered by Microsoft Whiteboard) to collaborate with others on designs, presentations, and more while sharing your screen in a Microsoft Teams meeting.

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登录时，你将获得最个性化的体验。 可以自定义主页并添加你的兴趣和其他个性化功能。 如果尚未登录，MSN 可以存储 cookies 中的某些设置。

Learn about the message "Wi-Fi isn't secure" that appears in Windows when you're connected to a Wi-Fi network that's not secure.

Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.