I'd recommend making a copy of the original meshes and textures somewhere, since the mod youre using most likely replaces the old files, and if you dont like the new stuff, you'll need a copy. Want to dress up your Fallout: New Vegas game with mods, customizations and other user created content? If the download has a meshes folder and a texture folder, you need to put whats in those folders into the meshes and textures folders in the data folder. This tutorial shows you how to find and install the New Vegas Mod Manager (NVMM), found on the Nexus website.