== BUILD SINGLE FILE ==
msbuild monochrome-WPF.csproj /p:Configuration=Release /p:PublishSingleFile=true /p:RuntimeIdentifier=win-x64 /p:SelfContained=false /t:Publish

SelfContained=true results in huge exe that runs without .NET framework installed

== OR ==
dotnet publish -c Release -r win-x64 /p:SelfContained=false /p:PublishSingleFile=true

Merged exe in 'publish' subfolder!