The evaluation ISO is bit-for-bit identical to the full retail ISO. The only difference is the license key baked into the installer. You can convert an Evaluation edition to a Full (Retail) edition using DISM commands without reinstalling.
Microsoft hosts the official installation media for several languages and formats. Follow these steps to obtain your copy: download windows server 2019 standard iso
Downloading the Windows Server 2019 Standard ISO remains the gold standard for enterprises looking for a stable, traditional, and highly compatible server environment. While Microsoft has moved toward "Semi-Annual Channel" releases and Windows Server 2022 is now available, the 2019 Standard edition remains the preferred choice for organizations prioritizing Long-Term Servicing Channel (LTSC) stability over bleeding-edge features. The evaluation ISO is bit-for-bit identical to the
If you just want to evaluate Windows Server 2019, you can download an evaluation version from Microsoft's official website. Microsoft hosts the official installation media for several