You can try searching online forums, communities, or websites that specialize in CNC machines and Mach3. However, be cautious when downloading software from third-party sources, as it may pose security risks or include malware.
A very specific request!
Mach3 is a popular software for CNC (Computer Numerical Control) machines, and I'm assuming you're looking for a specific version of the software. mach3 version 3.043.066