The only way to use the full Optitex 21 (or newer) suite for free is through their official trial program. Request a Trial: Optitex offers Free Trial Services

on a subscription basis for a limited period. You can contact their sales team via the Optitex Official Website to request a demo or trial. Runway Viewer: free standalone 3D viewer

NVIDIA GeForce RTX or Quadro RTX series is recommended for 3D. 3. Official Installation Steps If you have obtained a trial license or login for the Customer Portal , follow these steps to install: O/CLOUD SERVICES MASTER AGREEMENT - Optitex