: Since the programmer communicates via a parallel port (LPT), you must install TVicPort (often version 4.1) to allow the software to access the hardware directly on modern operating systems.
The most reliable comes from the "Open Willem" project on SourceForge. This is an open-source reimplementation of the original software, with updated drivers for 64-bit Windows. Willem Pcb50b Software Download
: Since the programmer communicates via a parallel port (LPT), you must install TVicPort (often version 4.1) to allow the software to access the hardware directly on modern operating systems.
The most reliable comes from the "Open Willem" project on SourceForge. This is an open-source reimplementation of the original software, with updated drivers for 64-bit Windows.