start .help and support type in Aero>it will give step by step instructionsAnswer 2
right click desktop>>>personalize>>>windows color and appearance>>>enable transparency>>>ok.Answer 3
Right click on desktop>personalize>windows color and appearance>Windows Aero OR
Right click on desktop>personalize>windows color and appearance>open classic appearance properties for more color options>Windows Aero
Probably the first one. Someone must have changed the theme to Windows Vista Basic for better performance.
In display settings make sure the color is set to 32 bit, if it is 16 bit windows aero won't be listed as an option. :)Answer 4
no simply : C:WindowsResourcesThemesAero click on areo and it brings up a menu for theme: areo should be on the menu now. click ok then done