Compatible with Windows 7, 8, and 10 (x64 requires disabling Driver Signature Enforcement). Instructions: Disable your Antivirus (often flagged as a false positive). Extract the OP-COM_Fantomel.zip Install the FTDI Drivers provided in the folder. OP-COM.exe as Administrator. Important Safety Note
: Most users have to disable Windows Defender or their antivirus, as the OP-COM.exe or the loader is often flagged. Driver Installation : You must manually install the FTDI drivers so your computer recognizes the USB interface. Firmware Check : Most "Fantomel" versions require the interface to be on Firmware 1.39 or 1.45