Bo3 released minimum specs so if you have lower specs you can play

[SquirrelMech]

if i have a Pentium g

a msi N750TI-2GD5/OC

and 4gb can i still play

minumum specs page...

http://i.ytimg.com/vi/phg1rFn02wA/maxresdefault.jpg

 

[XxMongermaniacxX]

you will have no problem playing. you should be able to run it at some pretty high settings and always get over 60 fps. I had a pentium g3258 (not overclocked), and a gtx 670 before I sold my rig and it ran bo2 at the highest possible settings, with all filters maxed always over 100 fps. you will have no issue