it is an ice scream sandwitch operating systen kit kat is older then ice scream sandwitch or do you not no this with an android system i have 3 different tablets in my house and they all are new with ice scream sandwitch,this is a nice tablet with the most up to date operating system it can not have windows on it theres no way you have to go buy a windows tablet to have that ,,watching hope this helps you all out
Mark882 you are incorrect, Android Ice Cream sandwich is version 4.0.X Kit Kat is version 4.4.x. The absolute newest version of android is called Lollipop version 5.0.x.