With 650€ you can build this which will be much better: http://it.pcpartpicker.com/p/DJnJzy
I took off the monitor you had because it wasn't the actual monitor, just the control for the monitor.
what monitor i should buy?
do i need a cpu cooler?
No, the i5 6500 comes with one
k thanks,again what monitor I should get?
This one is good for the price to game in 1080p @ 60fps: https://it.pcpartpicker.com/part/asus-monitor-vx238h