Here you find the current installation package of MAMP & MAMP PRO for Mac.
This download package for Mac OS X contains the free MAMP and a free 14-day trial of MAMP PRO. MAMP can be used stand-alone without MAMP PRO.
The trial Version of MAMP PRO can be upgraded to the full version by buying a serial number.
Changelogs can be found here.
openssl sha1 full_path_to_file) or with the free program Hash-Drop.