The average windows user never should have to access system preferences. Windows drag and drop is almost identical to macs. Search is just a key stroke away (Win F).. If your mum can use a Mac she can use a Win PC. My mum (75) and dad (83) both have windows PC's. My mum uses it to control her sewing machine (not available for mac) email, photos. My dad loves video editing. The only thing people need to learn about computers is the file system (files and directories) once you have that and can use a mouse and keyboard you can easily use a PC. Both systems are just as simple, so why pay twice as much. Macs suck because they are an over priced fashion accessory.