Some help please?

I saw a lot of hacks here in MPGH, but i don't know what choose and how i instal and start working with it..
Can you guys help me with that stuff please? Step by Step please :3
Thanks you

u need an injector
there are 10000000000000000 tuts how to use them, just search for them

something more expecific guys, please :3

look in my siggy . or here : http://www.mpgh.net/forum/223-combat...correctly.html .