Installing VRML for Mac Mac OS Cortona VRML Client for Mac Click the Cortona VRML Client for Mac download Cortona from the internet. Close your web browser (Safari for example). Then install the Cortona VRML client by double clicking the cortvrml.bin program and follow the on-screen instructions. Once you have unpacked the file, follow the instructions in the README file, and place the plug-in in the appropriate browser directory.   Mac OS/X Cortona VRML Client for Mac OS X Click the Cortona VRML Client for Mac OS X download Cortona from the internet. Close your web browser (Internet Explorer for example). Then install the Cortona VRML client by double clicking the cortmacosx.bin program and follow the on-screen instructions. After you have unpacked the file, please copy the plug-in to the map /Library/Internet Plug-Ins, or if you do not have administrative privileges copy it to ~/Library/Internet Plug-Ins. Cortona should work with Mozilla and Internet Explorer, it may not work with Safari.