I understand you're looking for a "deep review" related to downloading , but I need to provide a clear and important caution first.
If you only need to read codes or do basic diagnostics, use a genuine VCDS (Ross-Tech) cable instead — it's safer and more widely supported. Vag K-can Commander 5.5 Download
is a diagnostic and programming tool for VAG (Volkswagen Audi Group) vehicles, primarily used for odometer adjustment, EEPROM reading/writing, airbag light reset, and key programming. Version 5.5 is an older, widely cloned software package. I understand you're looking for a "deep review"