If you’d like to run a decent load of mods (50+), are currently experiencing problems with crashes or conflicts, or just want to try something new and more detailed, it may be time to switch to Mod Organizer. Gopher’s Nexus Mod Manager Tutorial (for new users)
We do not recommend installing the mods required for SRM SE manually. If you’re just getting started, have very few mods, or don’t expect to get too deep into modding, Nexus Mod Manager is a simple and straightforward and is likely the option for you. Just a note on the two options for managers, Nexus Mod Manager and Mod Organizer: Gopher’s Beginner’s Guide to Modding Skyrim : Introduction He’s excellent at covering common questions and demystifies the realm of modding so I’ll let him take over. Welcome to the magical world of modding! I’m sure many of us mod users and mod makers could go on forever on the mechanics of how modding and managers work but I find that the modder/ YouTuber Gopher answers these questions very well.