This is a one-year subscription to a pack of 8 core licenses, with a minimum of 8 core licenses per physical processor or virtual machine and a minimum of 16 core licenses per server for Windows Server 2025 Standard. This purchase includes Azure Hybrid Benefits for Windows Server enabling you to run in Azure Windows Server VMs at the Linux rate. You also need to purchase Windows Server Client Access Licenses (CALs) for every user or device accessing the (physical) server.