Modern diagnostic software is invasive. It wants to check your license, verify your region, and upload vehicle data. The 2019 commercial versions circulating in the aftermarket community are stripped of these requirements. It is software that belongs to the mechanic, not the OEM.
: Software versions are often region-locked (e.g., American-specific versions vs. European-specific HDD versions). Market Options gds commercial hyundaikia 2019 last of gds offline top
The 2019 offline GDS is typically installed on a Windows-based laptop (Windows 7 is the most stable environment, though Windows 10 is often supported). Modern diagnostic software is invasive