This is the first method you should try. It works for 90% of users running FluidSim 5 or higher.
Festo FluidSim is an incredibly powerful tool for designing automation systems, but its full potential is only unlocked when you can navigate its menus without friction. By setting your interface to your native or preferred language, you reduce errors, speed up learning, and make simulation work a joy. Festo Fluidsim Change Language
Unlike some software with a simple "Language" dropdown in the settings menu, FluidSIM’s language is often tied to the specific executable or resource files installed. This is the first method you should try
: When you run the FluidSIM installer, a start page typically appears where you can select the language to be used during installation. you reduce errors