Without a valid license file, the software runs in , which allows full functionality but only executes G-code for a few minutes at a time. How the Licensing Process Works
Save the emailed file (usually named Mach4Lic.dat ) to your desktop. mach4-license-file-generator
Mach4 Hobby license install issue and solution........ - Mach3 Without a valid license file, the software runs
Generating a license is a two-step process: obtaining your unique computer ID and then using that ID on the official license server. : Open Mach4 on the computer you intend to use. Navigate to Help > About . Without a valid license file