Control your desktop experience Theme Manager, and manage all your skins, themes,wallpapers, icons, etc. from a single interface. You can even mix and match them together to create your own Suite files! Theme Manager is a program that changes the look and feel of the entire windows environment. It works by talking to existing desktop enhancement programs and then applying a MyColors or Suite file. In short, Theme Manager is a front-end to other desktop enhancement programs to simplify the user experience.