Try taking a look here: http://meta.wikimedia.org/wiki/Help:Contents and just take a look and start from there.
EDIT: I am not trying to be an ass I am just saying it never hurts to start from the beginning :p
EDIT: I am not trying to be an ass I am just saying it never hurts to start from the beginning :p
Windows 7 Ultimate (64 bits)
AMD Phenom II X4 955 @3.20GHz
8GB DDR3 RAM
GPU: NVIDIA GeForce GT 430