I have been using this Laptop for the past 5 years. I am very happy with the performance of this Laptop.it’s battery backups very good.It has 500 GB of internal memory, 4 GB RAM. This laptop has nice sound quality.This laptop has two memory slots and it is also very fast working.It is a very good laptop with 15.6 cm screen and large keyboard which allow you to type fast and easy.It has also very good i3 processor.It come up with window 7 home basic operating system but you can integrate it later.Its great and exceptionally appealing and extremely pleasant execution and it is having great elements and generally speaking the item is exceptionally wonderful.