Diagnosis is made through the OBD II connector (which is located near steering wheel) or via manufacturer-specific connector (only older cars, pre-2001).Requirements:- O.S.: Windows XP, Windows 7, Windows 8, Windows 8.1, Windows 10- CPU: Intel/AMD 2 GHz or higher- RAM: 1 GB of system memory- Hard Drive: 15 GB of available space- DVD-ROMYear / Release Date: 2016Language: MultilanguageMedicine: presentVersion: 7.83. This diagnostics software allows you to perform a complete analysis of all models from 1995 to present. It only works with the original Chinese and adapters XS Evolution Lexia3.You can do all as an authorized dealer. PSA DiagBox v7.83 (8.19) MultilanguageDiagnostic program used by dealers for Peugeot and Citroen vehicles.