Summary A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This is a 48‑digit number that lets you regain access to your drive.

This cumulative update for Windows 11, version 25H2 and 24H2 (KB5077181), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained ...

This article has guidance for: IT administrators who need visibility into Secure Boot certificate update status from their Intune enrolled Windows devices Organizations preparing for the June 2026 Secure Boot certificate expiration deadline Teams that want to monitor certificate rollout progress across their Intune enrolled Windows devices In this article: Introduction Prerequisites Detection ...

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摘要 Windows 安全中心应用是集成到 Windows 中的综合安全解决方案，旨在保护设备和数据免受各种威胁。 它包括Microsoft Defender防病毒、Windows 防火墙和智能应用控制等功能，这些功能协同工作，提供针对病毒、恶意软件和其他安全威胁的实时保护。 应用内置于 Windows 中，确保设备从启动的那一刻起就 ...

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