If you have one legacy file, spending $200 on a one-month license of a converter is cheaper than rebuilding the geometry from scratch.
While CATIA V4 remains a powerful tool for 3D modeling and design, potential users must carefully consider the implications of downloading and using an older software version. Weighing the benefits against the potential drawbacks, including compatibility issues and lack of official support, is crucial. For those in need of robust 3D modeling capabilities and unable to access newer CATIA versions, exploring alternative software or seeking out educational or trial versions of CATIA V4 might be viable options. Catia V4 Download
Dassault wants you to migrate to CATIA V5 or 3DEXPERIENCE (V6) . They do not offer a "V4 legacy viewer" for free download. If you have one legacy file, spending $200
Some of the key features of CATIA V4 include: For those in need of robust 3D modeling
You cannot buy a new V4 license. However, if your company has a valid maintenance contract for V5, you may have "V4 Compatibility" rights. You can request an archived copy of the V4 installation media from your Dassault reseller—provided you have the original license dongles or server keys.
If you are looking for specific "produce" or "generation" capabilities within the software suite, they are typically found in specialized workbenches: Software Downloads | Dassault Systèmes