The most reliable way to get the latest version is directly from the Han's Yueming Laser Group Support Page.
The machine moves to (0,0), fires a dot, then starts cutting. Solution: This is the "Paper Fire" setting. Go to Config > System Settings > Laser Parameter and uncheck "Pre-fire before start." If you have a honeycomb bed, this pre-fire can burn holes in your worktable. smartcarve 4.3 download