Product information "Microsoft Windows Server 2022 Standard Core AddOn"
Windows Server 2022 builds on the strong foundation of Windows Server 2019 and offers many innovations on three important topics: Security, Hybrid Integration and Management in Azure, and the Application Platform.
 
2, 4, or 16-core add-on licenses are for replenishing licensing needs beyond the 16 or 24 cores from the Windows Server Standard 2022 base license.
(Windows Server Standard 2022 is licensed on a per-core basis)

Operating System
Microsoft Windows Server 2022 Standard
Product Type
License