Low-cost, legal licenses for non-commercial use available through the SOLIDWORKS for Makers 3D PDF Export: If you only need to share a model for viewing, use the File > Save As > 3D PDF
Autodesk Fusion 360 offers a free 1-year renewable license for hobbyists and startups making less than $1,000/year. It runs on Windows and Mac, but also has a lightweight web viewer. While not SolidWorks, it is a professional-grade parametric modeler. solidsquad solidworks 2024 portable