Before running the installer, connect your Goldcut JK plotter to your PC using the USB cable. Ensure the power is ON. Wait for Windows to attempt to install the device. It will likely fail or say "Device driver software was not successfully installed." This is normal.
The safest place is the official Goldcut distributor site (Goldcut.net or regional resellers). However, many users report that the official site primarily hosts manuals, not the latest Win 10/11 64-bit drivers. Goldcut Jk Series Drivers Download
Cause: Goldcut legacy drivers are not WHQL-signed.
Fix: Restart Windows in Disable Driver Signature Enforcement mode: Before running the installer, connect your Goldcut JK