: If the software doesn't show your name at the top or remains limited to 500 lines, ensure the file is named exactly Mach3lic.dat and is not inside a subfolder.

To successfully apply the "full" license and remove demo restrictions:

to 32-bit versions of Windows (XP, Vista, or Windows 7). It will not function on 64-bit operating systems without an external motion controller. Key Installation Steps

: It is the unique license file that activates your software.