The current version of Doggiebox is 2.0.2, released 02 August 2012.
Doggiebox includes a full User's Guide (also accessible via the "Help" menu), along with several demo files are included to get you started.
After installing, you can check for the most up-to-date version by choosing "Check for Update" from the "Doggiebox" menu.
Until activated Doggiebox with your personal registration key, Doggiebox will operate in a mostly-functional trial mode so that you can thoroughly kick the tires. (You won't be able to save or export songs longer than 30 seconds in duration.)
Doggiebox requires Mac OS X 10.6.8 (Snow Leopard) or newer. Mac OS X 10.7 (Lion) or 10.8 (Mountain Lion) are recommended.
The last version supporting Mac OS X 10.5 was Doggiebox 2.0.1, released 15 February 2012.
The last version supporting Mac OS X 10.4 was Doggiebox 1.4.3, released 13 September 2009.
The last version supporting Mac OS X 10.3 was Doggiebox 1.3.1, released 14 March 2006.
To expand the variety of sounds available to your songs, you can download an assortment of user-contributed drum kits.