Hello friends if wanna buy an computer this may help you to buy an computer.
Check the RAM of the computer choose the best one I recommend you to buy above 3 GB RAM and it will gives you great experience on gaming and as well as work also.
Choose windows 10 probably a best windows software every built by the Microsoft. It is very fast and smarter than the previous versions of windows.
Processor also very important to the speed or also for the gaming also. Choose above 2Ghz. Because above 3GB and 2Ghz is very good combination for gaming and work also.
Screen resolution must support 1080p it will be best and gives you great experience whale using the computer.