AutoCAD 2010 still used the classic toolbar interface alongside the new Ribbon. Many long-time users hate the current "streamlined" interface, which hides commands behind multiple tabs. A portable 2010 version lets them work with the and old toolbars at maximum efficiency.
However, this comes with significant caveats regarding security, file compatibility, and legality. While it may be "better" for the individual's workflow today, it is a dead end for a professional looking to integrate into a modern, collaborative BIM ecosystem. portable autocad 2010 better
I understand you're looking for information related to and possibly something "better." However, I need to provide some important context first. Portable AutoCAD 2010: The Ultimate Lightweight CAD Tool