The Docker EE license is included in Windows server licenses, so you don’t need extra licenses from Docker.

Install Docker EE via PowerShell

Open PowerShell and execute the following commands

   Install-WindowsFeature -Name Containers 
   Restart-Computer -Force  

Wait until the server is rebooted and then execute the next commands

   Install-Module -Name DockerMsftProvider -Repository PSGallery -Force
   Install-Package -Name docker -ProviderName DockerMsftProvider -Force -RequiredVersion 19.03 
   Start-Service docker