Here is the essential content you are looking for regarding ISO. 1. What is Windows Server 2019 Essentials? It is the entry-level edition of Windows Server 2019, designed specifically for small businesses (up to 25 users and 50 devices). It does not require a Windows Server CAL (Client Access License) for each user.
Would you like step-by-step instructions for creating a bootable USB drive from this ISO? iso windows server 2019 essentials