LightBurn has a massive forum and a wealth of YouTube tutorials. If you run into a snag, the solution is usually just a search away. Conclusion
The installation process is straightforward, but for the software to "see" your laser, you may need additional drivers. Run the Installer: Launch the (Windows) or (Mac) and follow the prompts. Install Drivers: lightburn laser software download top
"No COM ports found." Fix: You need CH340 drivers. Download them from the LightBurn "Tools" menu or search "CH340 driver install." LightBurn has a massive forum and a wealth
Save your "cut and engrave" settings for different materials (wood, acrylic, leather) so you don't have to guess the power and speed every time. Run the Installer: Launch the (Windows) or (Mac)
In your layer settings, enable . When engraving squares or text, the laser tends to leave rounded inner corners. Overcutting extends the path slightly to create razor-sharp 90-degree corners.
To ensure you are getting the most secure and up-to-date version, always download directly from the official LightBurn Download / Trial Page LightBurn for Windows (64-bit)