A minimum of a 1Ghz CPU and 512MB of RAM is required.
Users have reported that pirated licenses can stop working unexpectedly, especially when attempting to update to newer versions like R3.043.066.
If you have previously purchased a license and lost your key, you can often recover it through the MachSupport portal or by contacting their support team at license@machsupport.com .
32-bit versions of Windows 2000 through Windows 7 are natively supported. 64-bit versions typically require an external motion controller (like an Ethernet SmoothStepper) to function.
Pirated versions of Mach3 often have restricted features or "time-out" after a certain number of lines of G-code.
If you are installing the software, ensure your hardware meets these standards: