Windows 8 fast and loaded with SSD, I am absolutely delighted with this really powerful and easy to use, nice keyboard, very well designed product. One default, the power plug appears to me fragile because of too small diameter (1 mm), the charger is not very large but I would have liked to have a more "flat" (very fine computer, the Food have earned to be more fine); This being the only criticism I have found after 3 months of use. I recommend