and trial versions, "portable" builds are typically modified by third parties to bypass standard installation requirements. The Evolution of Design Mobility
In software terms, a portable application is packaged so that all its dependencies, registry keys, and settings are stored within a single folder. Autocad 2015 Portable
To understand the hardware needed to run AutoCAD 2015 at all, here are its official minimum and recommended specifications: and trial versions, "portable" builds are typically modified