Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

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In the following countries, you have the right to cancel a subscription that has recurring billing with immediate effect and receive a prorated refund as described in the Microsoft Consumer Subscription Prorated Refund Policy:

Your Surface works with your iPhone or Android, so you can get the most out of all your devices no matter which one you’re on. When you use them together, you can get to your pictures, music, Office documents, favorites, and more from your Surface and your phone.

中国的身份验证方法. 中国仅提供有限的身份验证方法。 用户可以将 Authenticator 设置为在其设备上接收可用于验证其身份的验证码，而不是使用推送通知进行双重验证。

Comprueba los servicios, juegos y aplicaciones de Xbox en busca de interrupciones en el servicio.

Se você estiver executando o Windows 10, a Verificação de integridade do PC fornece uma verificação de qualificação abrangente para seu dispositivo para garantir que ele atenda aos requisitos mínimos do sistema Windows 11.. Você obterá informações sobre por que seu dispositivo é ou não qualificado, além de informações sobre o que você pode fazer se seu dispositivo não ...

With HDR in Windows 11, you get the most of out your high dynamic range (HDR) TV or PC display. When you connect your HDR10-capable TV or display to a Windows PC that supports HDR and wide color gamut (WCG), you’ll get a brighter, more vibrant, and more detailed picture compared to a standard dynamic range (SDR) display.

若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。

After you turn on two-step verification or set up the Authenticator app, you may run into issues if you use older devices (like Xbox 360 or a mail-sending security camera) that don't support two-step verification. For those devices, you can sign in with an app password instead. An app password is a long, randomly generated password that you provide only once instead of your regular password ...