If you have a Graphtec, Roland, or Silhouette Cameo—ignore the above. Use their proprietary "Cutter Utility" software to manage the driver, not the Windows device manager.
Before clicking any download links, it is critical to understand that "cutting plotter" is not a single standard. There are three distinct types of USB communication protocols used by these machines: cutting plotter usb driver download
Suddenly, your $2,000 machine is a paperweight. If you have a Graphtec, Roland, or Silhouette
Always start by visiting the official website of your plotter's brand. Major manufacturers provide dedicated support and download sections: If you have a Graphtec
Save the .exe (Windows) or .dmg (Mac) to your desktop. Do not run it from the browser.