Simply right-click on an mod archive in windows explorer/other file manager and send it Fallout 3 Mod Installer. This little program will make installing and uninstalling mods a breeze! This very easy to use program supports the popular compression formats and the 2 most popular ways people structure their mod archive's (\Fallout 3\Data\ or \Fallout 3\) which makes Fallout 3 Mod Installer compatible with most mod archives around!