Microsoft prioritizes account security and works to prevent people from signing in without your permission. When we notice a sign-in attempt from a new location or device, we help protect the account by sending you an email message and an SMS alert. If your phone number or email changes, it's important to promptly update the security contact info on the Security basics page so we can work with ...

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Get help when you experience performance issues with games on your PC.

Xbox Support ... Xbox Support

了解如何关闭双重验证。 双重验证是一项可选的安全功能，通过使用两种形式的身份，即密码和联系方式（也称为安全信息），这样别人更难进入您的 Microsoft 帐户。

Learn how to sign into your PC with Windows Hello using a PIN, facial recognition, or fingerprint.

Check the Xbox services, games, and apps for any service outages.

Why is my Microsoft account temporarily suspended? Microsoft accounts are usually locked if the account holder has violated our Microsoft Services Agreement. Here are some common reasons why accounts are locked, though not all account locks occur for these reasons: Malware, phishing, and other harmful activities Microsoft forbids the use of our services for: Malware: Sending intentionally ...

Windows Hello enables a sign in experience using facial or fingerprint recognition, or a PIN. While it offers a convenient and secure way to access your device, you might sometimes encounter sign in issues.

为什么我会收到这条消息？ 许多运行 Windows 的设备都有受信任的平台模块 (TPM) 芯片集。 某些 TPM 芯片集存在安全漏洞，可能会影响操作系统安全性，这意味着 Windows 操作系统面临更大的风险。 你收到此消息是因为Microsoft已发布安全更新来解决需要下载和安装的漏洞。 此外，设备制造商发布了固件 ...