This laptop is very awesome and Dell brand is top brand in all world.thsi laptop is very ease and use full.Dell product is very good it is very smooth working.supported window 7, 8 & 10. his product service very good.Good looking & graphics support to create nice web applications.this laptop have ram, ROM, graphic card, processor, hard disk, and mother board this laptop is very important as base of quality and durability and this laptop is also value of money and its service and support also very good fast service good dell xps 15 l502X.totally loved the experience with this laptop. Had a good experience with customer support too.