Acer recommends Windows 8.
Acer recommends Windows 8. TravelMate X313-E / X313-M SPECIFICATIONS Cradle for detachable display1 Product views 1 2 3 4 5 Front-facing Acer Crystal Eye HD webcam Combo audio jack compatible with phone headsets Primary power button 11.6" HD display, 1366 x 768 resolution Chiclet keyboard1 6 7 8 9 10 Two stereo speakers HDMI® Micro port with HDCP support USB 3.0 port Stylus holder DC-in jack 11 12 13 Additional Windows key on detachable display/tablet Rear-facing 5.