: 16 GB is recommended for 2D, while 32 GB is best for 3D work.
A "portable" application is a program configured to run without relying on the host computer's registry or local installation folders. In the case of AutoCAD 2018 Portable, independent developers use virtualization tools to compress the massive AutoCAD desktop architecture into a single executable file ( .exe ). New AutoCAD 2018 Portable
While "AutoCAD 2018 Portable" may appear convenient, it introduces significant legal, security, and stability risks because it is not an official Autodesk distribution. Safer, supported options—official licenses, VM images, cloud or remote access—deliver portability without compromising compliance or system integrity. If experimentation is necessary, confine it to fully isolated sandbox environments and never use untrusted builds with production data. : 16 GB is recommended for 2D, while