Optitex 17 is a specific version released several years ago. The current versions are newer (v21, v22, PDS 3D). Searching for "version 17" specifically often leads to abandoned, unpatched, or cracked copies.
Why version 17 is dangerous to download illegally: Descarga gratuita de Optitex 17- videos instruc...
If you are serious about learning Optitex 17 (or modern Optitex): Optitex 17 is a specific version released several years ago
Optitex 17 es una versión del software Optitex orientada a diseñadores, técnicos y empresas de moda que necesitan: Descarga gratuita de Optitex 17- videos instruc...