best price for this...

DELL VOSTRO 3350 LAPTOP

Intel Core i3-2310M processor 2.10 GHz
Free Dos
500GBHard Drive,7200 RPM
4GB 1 DIMM(4GBx1) DDR3 1333Mhz
9.5mm SATA tray load DVD+/-RW
Integrated Stereo Sound Intel HD Graphics
Internal 10/100/1000 Gigabit Ethernet
FingerPrint reader
Intel Centrino Wireless-N 1030,Bluetooth v3.0+HS
LCD Back Cover-Aberdeen Silver
13.3" HD WLED Anti-Glare(1366x768) Integrated Webcam and Microphone
4-cell battery
1 Year Dell Onsite Warranty

My Price: 1600Rm


is it possible if i wan to add Win7 OS?