Hi, actually i have installed Win 7 ultimate Sp1 at 32 bit.
I would install Win7 64 bit but i'm not sure about the compatibilty of processor.
thanks for reply
https://ark.intel.com/products/50179/Intel-Core-i5-460M-Processor-3M-Cache-2_53-GHz Intel® Core™ i5-460M Processor (3M Cache, 2.53 GHz) Product Specifications
Yes, you can run Windows 7 64-bit.
For more complete information about compiler optimizations, see our Optimization Notice.