查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

O aplicativo Verificação de integridade do PC traz informações atualizadas sobre o seu dispositivo Windows, ajudando você a tomar medidas para melhorar o desempenho do dispositivo e solucionar problemas de desempenho.

Microsoft is retiring the Windows legacy inbox Troubleshooters, such as Keyboard troubleshooter and Speech troubleshooter, and the Microsoft Support Diagnostic Tool (MSDT) that runs them.

Summary. This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following:

Learn how to receive and interpret activity reports of your child's device use, including web browsing, apps and games usage, and screen time.

Microsoft made a commitment to provide 10 years of product support for Windows 7 when it was released on October 22, 2009. This 10-year period has now ended, and Microsoft has discontinued Windows 7 support so that we can focus our investment on supporting newer technologies and great new experiences.

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

Aprende a conectarte a una red Wi-Fi en Windows y administrar las conexiones de red actuales.

OneDrive for Business provides one place to store, share and sync your work or school files.

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.