: It is free for both personal and commercial use. You do not need a Navisworks subscription to use it, though you must adhere to the standard Autodesk Terms of Use regarding de-compilation or redistribution. The "Portable" Version Warning
Here is a proper review of , addressing its functionality, limitations, and the "portable" aspect. autodesk navisworks free freedom portable
If you need to view models on the go without an installation, use the Autodesk Viewer , which is a : It is free for both personal and commercial use