Try Corona 4.9 for thirty days. After the thirty day evaluation, Corona will display a window prompting you to connect online and register the software.

                     - Corona 4.9 for Mac OS X (Universal Binary).

                      - Corona Manual (.pdf format)

Last version to support PowerPC Macs:

         - Corona 3.9.1 for Mac OS X (Universal Binary) [PPC/Intel].

Older US versions:

               - Corona 2.5 "Metal" for Mac OSX (Universal, to 10.4)

               - Corona 2.5 for Mac OSX (PEF)

               - Corona 2.5 "Metal" Edition for Mac OSX (PEF)

               - Corona 2.1.2 for Mac OS 8.5 to 9.2 (PowerPC)

               - Corona 1.9.9 for Windows

               - Corona 1.9.7 for 68000 Macs