Using modified software is a violation of Autodesk's Terms of Service and intellectual property laws. For businesses, this can result in heavy fines during software audits.
Files labeled as “AutoCAD portable 2012 64 link” on torrent sites, file repositories, or warez blogs are almost always repacked by unknown third parties. Security analyses have shown that many such downloads contain: autocad portable 2012 64 link
AutoCAD 2012 was a major milestone for 64-bit architecture, allowing the software to access significantly more than the 3GB RAM limit found in 32-bit systems. Using modified software is a violation of Autodesk's