MacMolecule2 and PCMolecule2 Full:

Software Download Site

Can anybody use the full version?

Yes, but only with a valid registration number. The files downloaded from this page will not work without one. To obtain a valid registration number, please visit our purchase page.

Update notification

If you are interested in receiving announcements about updates to our programs, updates to our molecule gallery, and news concerning Mac and PCMolecule, please visit our mailing list sign up page.


Thank you

By purchasing a registration number for MacMolecule or PCMolecule you have directly contributed to the development of the next version, and we thank you for your purchase.


Download problems?

If you browser begins to display text when you select one of the downloads below instead of prompting you to save the program, hold the mouse button down over the file name for a few seconds until a pop-up menu appears. The choose the option of "save link as..." and download the file as "source" and not "text". After the file has been downloaded to your computer, unstuff the files with either Stuffit Expander (MacOS) or an unzip utility (Windows).


Please notify us at mvsupport@molvent.com if you need additional information.



MacMolecule2 Full Download (version 2.0)


MacOS, System 7.1 or later, including MacOS 9 Download MacMolecule2 Full for PowerPC Macintoshes.


Download MacMolecule2 Full for 680x0 Macintoshes with FPU.


Download MacMolecule2 Full for 680x0 Macintoshes.


Obtain Stuffit Expander(tm) to unstuff these archives.



PCMolecule2 Full Download (version 2.0)


Windows 95, 98, NT, or 2000 Download PCMolecule2 Full for Windows 98, Windows 95, Windows NT, or Windows 2000


To Obtain an extraction utility to unzip these archives, visit this shareware site and search for "unzip"