When you open SDS 8.5, it will initially show "No Connection." That’s fine.
The Suzuki Diagnostic System 8.5 is a software application designed to diagnose and troubleshoot issues with Suzuki vehicles. This system is an upgrade to previous versions, offering improved features, such as enhanced data display, advanced troubleshooting capabilities, and support for newer Suzuki models.
Do not, under any circumstances, click "Firmware Update" with version 8.5. That button leads to a bricked ECU. That button is why mechanics cry.
Before extracting, run the downloaded archive through or your local antivirus. Cracked diagnostic software often triggers false positives (hacktool cracks), but you want to avoid genuine ransomware.