Open Device Manager → Ports (COM & LPT). You should see “USB-SERIAL CH340 (COMx).” Verification on Mac: Open Terminal and type ls /dev/cu.wchusbserial* . If a result appears, the driver works.
Suddenly, you’re hit with a confusing list of links: “LiteFire.exe,” “LightBurn,” “LaserGRBL,” and a dozen sketchy download sites asking you to disable your antivirus. Litefire Laser Engraver Software Download
Once you have the .zip or .rar file, follow these steps carefully to ensure the software communicates with your machine. Open Device Manager → Ports (COM & LPT)