To update all you guys who are trying to help me with buying pc,thank you all...I have just fixed my old geforce gtx 560 ti graphics card ,it was faulty thus i havent played my pc for some time...Now im playing on :
Asus Geforce GTX 750 gddr5 2GB OC Edition
Intel Core 2 Duo E6850 3.00ghz
6GB of RAM
4000MB total memory
2048MB dedicated memory
With all settings high,plus antialiasing on it runs 150fps drops to 120max when in big fights and palces like rakkis crossing,currently keeping all maxed settings and vsync on,max foreground 65 and max background 20,runs 60fps and is capable of streaming with holding 60 and also recording.
Thanks to everyone who set apart time to help me with my issue.