The mod will now be displayed in the Package Manager window, with a tick box next to it. Click this, and then use the file browser to find your mod folder and select the mod you wish to install. The new window will have a button labelled ‘Add FOMod’. In Fallout Mod Manager, open the ‘Package Manager’ using the button to the right hand side of the window. zip files, so use something like WinRAR to extract the mod files into your new ‘Fallout 3 mods’ folder. It’s then useful to create a folder on your hard drive called ‘Fallout 3 mods’ or something similar. To set it up, first download and install the program. This installs and uninstalls mods for you with a lot more ease than doing it manually. You’re probably going to want lots of mods installed though, so it’s best to use the Fallout Mod Manager. It’s best to make a backup of your Data folder before you start modding in case you need to return Fallout 3 to its original form. Windows will alert you that you’re overwriting files, so press ‘OK’ to accept the changes. If you have the Steam version, typically this will be:Ĭ:\Program Files\Steam\steamapps\Common\Fallout 3\Data All you need to do is place the new files you’ve downloaded into the ‘Data’ folder of your Fallout 3 installation. Installing a single mod into Fallout 3 is easy.