To run, execute via 'dotnet' in command line. If dotnet is not present you can download it for free from Microsoft (look for Runtime / .NET Core Binaries for your operating system): https://dotnet.microsoft.com/download/dotnet-core/2.2
See -h option to list help options: dotnet ArcInstaller.dll -h
If you find bugs: notify me, or write them in the Issues page.