Many laptop in market with 8 gb ram and and 64 bit operating system but this hp 15-ay503tx laptop is best laptop in under 40, 000 price. design of this laptop is very good. in this laptop many good features. this laptop is based on 64 bit operating system . this make your laptops experience awesome. this laptop is good for those students who want to buy a fast laptop with 8 gb ram. one problem of this pc that this based on dos operating system. but if you buying a good laptop then it does not matter that much.