Fps tweak thing

So, I've heard about all these Fps tweaks that make autogen go really high. Are there any that are easy-medium. Not one where you have to edit cfgs and stuff. please help

Here are my specs:
Windows XP Professional 2002
AMD Athlon(tm) 64 X2 Dual
Core Processor 4600+
2.40 GHz, 896 MB of RAM
Physical Address Extension
I copied this from my computer information page.


Here are my specs:
Windows XP Professional 2002
AMD Athlon(tm) 64 X2 Dual
Core Processor 4600+
2.40 GHz, 896 MB of RAM
Physical Address Extension
I copied this from my computer information page.