Google cat sez
the required specs for CS 1.6 are:
Minimum: 500 mhz processor, 96mb ram, 16mb video card, Windows 2000/XP, Mouse, Keyboard, Internet Connection
Recommended: 800 mhz processor, 128mb ram, 32mb+ video card, Windows 2000/XP, Mouse, Keyboard, Internet Connection
I Think youll be ok. lol.