Information on TREX, KMC

Hi Guys,

I am new to EP..in the process of learning.I would like to have some information on installation of TREX, KMC.I don't have access to "http://service.sap.com".

Could anyone please let me know if I could find trial versions of the above?....provide me with some installation instructions and some basics to get started.My mail id is sam_bonigala@yahoo.com

I have the trial version of EP7.0 SP9 2004s installed.

Thanks,

Sam