Windows 7 UltimateCopyright - 2009 Microsoft Corporation. All rights reservedService Pack1 Rating: Windows Experience IndexProcessor: Intel(R) Core(TM) i5-2410M CPU @ 2.30 GHz Installed memory(RAM): 4.00 GBSystem type: 64-bit Operating SystemPen and touch: No Pen or Touch Input is available for this Displayอ่านเพิ่มเติม