If you are a developer, student, or IT Pro testing out features, you can download the ISO directly from the Windows Insider Preview page. Microsoft provides these for evaluation purposes.
For learning, testing, or lab use, the is your best option. download windows 2019 server iso
⚠️ After 180 days, the OS will prompt for activation every hour. You cannot legally extend without purchasing a license. If you are a developer, student, or IT
If you are downloading the ISO for a production environment, consider learning Server Core. If this is for a lab or you need specific GUI tools, download the Desktop Experience version. If you are a developer