1. Change SIMO & Riflex version in SIMA Open Tools - Preferences 2. Add new SIMO/Riflex version Press Add in common SIMO/RIFLEX root location Point on root folder with SIMO and Riflex bin-files Select folder and the version will be added to the list Click on drop down meny and choose wanted version Click on Apply and Close How to make variants of a model (options) How to make your own toolbox