If your Kess shows "Hardware ID mismatch" or "Firmware corrupted," you must flash the clone firmware.
Avoid random torrents – they often contain malware. Look for trusted tuning forums (e.g., Digital-Kaos, MHH Auto).
Recommended version for Windows 10:
Kess V2 v2.23 (stable with most clones) or v2.30 (newer, but picky). Kess V2 Install Windows 10
Structure of a good package:
![Kess V2 COM Port Settings – illustration in mind] If your Kess shows "Hardware ID mismatch" or
If test fails:
✅ Success indicator: No yellow triangle. COM port number is between 1–16 (higher can cause software issues). Avoid random torrents – they often contain malware
| Error | Fix | |-------|-----| | Driver installation failed | Reboot with signature enforcement off + use Zadig | | Interface not found | COM port mismatch – set to COM1 in both places | | Firmware update loop | Install older software (v2.23) then upgrade to 2.47 | | Checksum error | Clone issue – use external checksum fixer like WinOLS |
Windows 10 blocks unsigned drivers by default. Clone Kess V2 units use modified FTDI drivers. This step is mandatory.
C:\Kess_V2 (Avoid Program Files due to permission issues).If Windows 10 refuses to cooperate, install Windows 7 inside VMware Workstation Player (free). Pass the USB device to the VM. Windows 7 has no driver signature enforcement – Kess V2 will run perfectly.