I bought this laptop knowing it came with Windows S-Mode but read you could just turn it off.  My first order had a defect that I think some others are also having relating to switching out of S-Mode.  You have to go into settings to change out of S-Mode but mine had some error saying I didn't have a valid product key.  Everything ran fine in S-Mode and it's preinstalled so it must be some kind of glitch or defect with some of these Aspire 5 models.  I assume the people who could not turn off S-Mode and paid money for a new version of Windows 10 had the same or a similar issue as me.  Even Acer support could not figure out the problem.  I contacted Amazon and they allowed me to get a replacement on the way without me even having to send my laptop back first, so long as Amazon had it within 30 days.  They sent me a return label and everything, it was beautiful.  So just have Amazon replace this if you have an issue with turning off S-Mode!I wanted to mention that the most to prevent people from wasting time trying to troubleshoot with support.  But this laptop is also great especially at the price.  I upgraded the RAM to two 4 GB DDR4 for 8 gigs total and installed a 256 gig solid state drive.  Acer made adding a new SSD really easy on the this model.  You won't be able to play graphic intense games on this except maybe at the lowest settings but even then you'll probably still be getting less than 60 fps.  But the full 1080 HD screen is really nice and I didn't see many laptop around this price or less with backlit keyboards so that's a nice plus.  The trackpad on this big and I've always liked when the trackpad itself is also the button to click.  Definitely recommend this laptop and with the addition of upgraded RAM and SSD, it's a great machine.