Warren Dumortier wrote: > The first one is the fact that i would like to know if it's possible to run two programs at the same time using different Wine binaries? Yes, you'll need separate wineprefixes for that. Warren Dumortier wrote: > Then i also would like to know if it's possible to set registry keys per process, for a specific program, within the same prefix? No, registry is a system global (on Windows) not per application. You'll have to use separate wineprefixes. Except if you talking about Wine settings, then yes, you can configure most settings per application instead globally.