English Decem Updated Work | Windows Server 2022 Ltsc 21h2 X64

Note: Since “December updated” typically refers to the latest monthly rollup, I’ve assumed December 2025 for timeliness, but you can adjust the year as needed.

A. Advanced Multi-Layer Security

Secured-Core Server: Hardware-rooted security utilizing TPM 2.0 and System Guard to protect against firmware attacks.
HTTPS/TLS 1.3: Full support for TLS 1.3 enabled by default, providing stronger encryption for network traffic.
DNS over HTTPS (DoH): Encrypted DNS queries to prevent eavesdropping and manipulation.

Go to Settings → Windows Update → Check for updates.

As we close out the year, Microsoft has rolled out the latest cumulative updates for its server operating systems. For organizations running the Long-Term Servicing Channel (LTSC) release, the Windows Server 2022 LTSC 21H2 December update brings a fresh set of security patches and stability improvements. windows server 2022 ltsc 21h2 x64 english decem updated