Once you've created an account and installed the manager, log into your Nexus account in the manager to enable direct downloads. Nexus Mod Manager is the easiest way to install many mods for Fallout 4, as it eliminates most of the hassle of installing mods manually. The video above explains how to install mods via NMM.īefore Installing any mods, follow the instructions above to back up your game files and enable modding for Fallout 4.