This is bast laptop ever.it is very user friendly and love 15.6 hd widescreen display .it’s come with windows 8.1 and I don’t find any up great windows 10 option so it is bad point of this laptop which I don’t like . this laptop sport Blu-ray disc or dvd drive .& epic sound and vision with r5 M230 2gb graphics .this is multi touch laptop so I can use this laptop by keys and touch both .i use many laptops but I don’t find any battery saving technology . but in this laptop I find it.