The original release version, denoting the second half of 2021. In the LTSC model, this is the foundational release for the entire Server 2022 generation.
Here are the primary legitimate sources for obtaining the Windows Server 2022 ISO:
:
The "December Updated" designation typically refers to a cumulative ISO that includes all fixes released up to that month. Key improvements found in recent cumulative updates for Windows Server 2022 include: Microsoft Learn Windows Server 2022 - Microsoft Lifecycle
Complete Guide to Windows Server 2022 LTSC 21H2 x64 (Updated December 2024) windows server 2022 ltsc 21h2 x64 english decem updated
Ensures that the newly deployed server complies with modern, strict corporate IT security mandates from "Day One." When to Choose LTSC Over Annual Channel (AC)
After applying the December 2025 update: The original release version, denoting the second half
For hybrid environments, this update continues to refine the Azure Arc experience, making it easier to manage Windows Servers running on-premises or in other cloud providers directly from the Azure Portal.