Very important for all who want to buy a slender simple calculator to a 7 iron Bloatware-free Windows about it: Do not go! Absolutely no chance. Acer has the BIOS extent edited together on request from Microsoft to the fact that the necessary steps for a Windows 7 installation simply impossible, and presents on top of that no appropriate driver is available. About performance and processing of the device you really can not complain, but users freedom looks different.