There's a wealth of information, documentation and tutorial support available concerning MaxMSP. Just try searching Google!
Also try here for MSP Patches.
However, there's a lot of material that comes with the programme. This can be found at the addresses below.
Alternatively, you can use Firefox, or another browser; just input this into the address bar: NB you'll need to change 'cms0' to the number of your machine (it's on the wall next to it):
file://cms0/Macintosh HD/Applications/ComputerMusic/MaxMSP 4.5/examples/
You can also get to the directory via the ComputerMusic link in the Dock: ComputerMusic/MaxMSP 4.5/examples