Translate Modding Jargon Into A Safe First Step

The mod community looks like a wall of jargon and forum threads assuming you already know what a load order is. This starts from nothing: what a mod is, why a mod manager matters, and three safe first mods to try, so your first attempt does not end with a corrupted save.

<context>
Someone owns {GAME_NAME} and wants to start modding it but has never touched a mod tool, config file, or mod manager before.
</context>

<task>
**Translate the jargon into a plain, actionable process:**
1. What a mod actually is and the difference between a simple reskin and a total conversion
2. Why a mod manager matters and what happens if you install mods by hand instead
3. The safest first three mods to try, chosen for low risk of breaking a save
4. One clear warning about backing up saves before installing anything
</task>

<output_format>
- Four short sections matching the numbered points
- A simple checklist of steps for installing the first mod safely
</output_format>