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No. Both versions use the same installater. You will need a Professional license to enable the Pro Modules.
Yes. If you are interested in a version of GibbsStudio for a different system please let us know, we are considering to provide it for other platforms.
A Profesional license can be activated from the About/Plugins Window.
No, no need to install anything else. The latest version of Phreeqc is already included in GibbsStudio.
Oops! Please, contact us and we'll try to figure out the problem.