It is important to clarify at the outset that
While there are mentions of "Portable SolidWorks 2004" in various user-uploaded spaces, it is important to note that Dassault Systèmes Portable Solidworks 2004
Best for engineers or students who need a "lite" tool for on-the-go sketching or viewing old files. "SolidWorks 2004 Portable" is not an official product
: It is still used by hobbyists to learn the basics of sketching, extrusions, and assemblies. Portable Solidworks 2004
Before the "Ribbon" interface became standard, the toolbars of 2004 were straightforward. Some veteran users find the old UX faster for simple part modeling.
: Dedicated tools for structural steel design and weldment cut lists.