True "portable" versions of Solidworks are not official releases from Dassault Systèmes . Creating a portable version presents several technical hurdles:
An Intel Pentium or AMD Athlon-class processor was standard. Challenges with "Portable" CAD Software Portable Solidworks 2004
Originally designed for Windows XP Professional or Windows 2000; it was the last version to support Windows Me and NT 4.0. True "portable" versions of Solidworks are not official
Understanding Portable Solidworks 2004: A Legacy CAD Solution Portable Solidworks 2004
Solidworks relies heavily on the Windows Registry and registered DLLs, which typically stay on the original host computer.