The computer, on the advice of an expert appointed at the company. Anchorman on Amazon, had been shipped with Windows 8.1. There were serious problems from the beginning to the Internet on. During the other wireless devices (tablet, borrowed laptop, Internet radio) were working properly, some were, and very important sites not be achieved, for example, the activation of the security software or download the PDF reader. Even expert help failed. Finally, I was annoyed enough to return the device. It was told the useless Windows program to the detriment of the purchaser, unlike the practice at Amazon. After some back and forth I got back the purchase price minus 124,10 (!), In addition, I had already taken the delivery and return postage. But what Win 8.1 is concerned, would be to say: This operation program is overloaded, difficult to grasp and widely demanded a separate study to meaningful use. All this was a total of as an opportunity to turn their backs and Windows instead of Ubuntu Linus to install. The runs on the computer without any previous problems.