@infinito3d said in Compiling AU plugin from Window ?:

Since HISE 4.0 does not install on my machine (it requires OS 11.0)

You need to build the HISE develop branch from the source code.

@infinito3d said in Compiling AU plugin from Window ?:

I am thinking of installing it on a Windows 10 PC and exporting my AU plugins from there. Is it possible?

You can't compile MacOS plugins on Windows or Windows plugins on MacOS. You can use virtual machines though.