Head to the official QianLi website . Look for the "Download" or "Service" section.
The helper package usually includes the necessary USB drivers . Ensure these are installed, or your PC won't "see" the iCopy. icopy plus 2.1 software download
Look for "QianLi Repair Helper" (currently in version 6.0 or higher). This is the driver and interface for all iCopy devices, including version 2.1. Head to the official QianLi website