The Options dialog (called Preferences on the Macintosh version) lets you set a wide variety of options used globally in the recipe design process, various Outils de Brassage and also look and feel options for the program. These include basic brewing defaults, the unit system used within the program, Avancées constants used within calculations and look and feel options.
To open the Options et Préférences dialog select the Options command on the Tools menu or toolbar (this is called Preferences on the Macintosh version under the BeerSmith2 menu or on the toolbar.
Tabs within the Options et Préférences Dialog