Because these devices are generic "clones" produced by various manufacturers in China, official support websites are often non-existent or difficult to navigate. However, the software is widely available in the hobbyist community.
The courier pushed open the glass door of the repair shop just after noon. Rain freckled the pavement outside, and inside the fluorescent lights hummed over a forest of circuit boards and soldering irons. At the back counter, Mara unfolded a wet umbrella and set down a small, battered zipper case stamped with a faded sticker: WILLEM.
Since the PCB50B is legacy hardware, getting it to run on modern 64-bit Windows is tricky but possible. Here is the proven method using or Windows XP VM .
Willem PCB50B is a versatile, albeit "legacy-style" universal EPROM programmer