Autodesk’s own is a lightweight, free viewer. You can install it on a USB drive (unofficially, but it works) to open, measure, plot, and convert .dwg files. It has no editing capabilities , but for site visits or presentations, it’s perfect and 100% safe.
Show you for portable designing What's New in AutoCAD 2015: New UI - Lynn Allen Autocad 2015 Portable
: Distributing or using cracked, "portable" versions violates Autodesk’s licensing terms. Official Ways to Work Remotely Autodesk’s own is a lightweight, free viewer
AutoCAD 2015 Portable is a compact and self-contained version of the popular computer-aided design (CAD) software, AutoCAD 2015. This portable version allows users to work on their designs and projects without the need for installation on a specific computer. In this paper, we will explore the features, benefits, and limitations of AutoCAD 2015 Portable. Show you for portable designing What's New in