my windows xp does NOT have a themes tab and when i click change theme id just brings me to my background select how do i change my theme???
More aboutwindows themes
If you gonna be a crybaby about it - go to Start-Run-type 'services.msc' - make sure Themes is set to Automatic and it is Started. Otherwise run the install CD and Add apps., look for themes.
In addition to the above solution offered by Cyberat_88, check for the presence of Windows/Resources/Themes/Luna/luna.msstyles as well as 3 folders in the shell folders under Luna containing Homestead, Metallic, and NormalColor.