Search for "LaserCut 6.1 ISO". Several users have uploaded exact CD rips. The file name is typically LaserCut_v6.1_Dec2014.iso . Download the ISO, mount it, and run Setup.exe .
While the software is often bundled with new laser machines, owners of older equipment or those who have lost their original media often seek a standalone installer. Laser Cut 6.1 Software Free Download
However, beware: The "free download" is for the software only. The required USB dongle (matching your machine's control board) must still be physically plugged into your PC. Search for "LaserCut 6