: Locate your setup.exe or JcadEval.exe and right-click it to Run as Administrator to ensure Windows 10 permissions are met.

: Do not have the security key plugged in when you start the setup.

Installing JewelCAD 5.1 on Windows 10 is straightforward if you have the service pack, which specifically added support for the Windows 10 environment. Because this software relies on a physical security key (dongle), following the precise sequence of "unplug-install-plug" is critical to avoid driver conflicts. System Requirements for Windows 10

: At least 512MB required; 2GB or more suggested for rendering. Graphics : 24-bit color display supporting OpenGL . Step-by-Step Installation Guide

: Once the setup finishes, click Close . Now, plug your USB dongle into a USB port. Windows 10 will automatically detect and install the necessary USB lock drivers . Troubleshooting Common Issues nav - JewelCAD

: Intel Core 2 Duo or higher recommended for stability.

: Choose the installation path. The default is typically C:\Program Files (x86)\JewelCAD 5.1 . Configure Security Key :

: Windows 10 (32-bit or 64-bit supported with Update 13).

Before starting, ensure your PC meets the JewelCAD system requirements :