# How to Install Mods on Your Terraria Server (tModLoader) (/docs/terraria/mod-setup)



import { Step, Steps } from 'fumadocs-ui/components/steps';
import { File, Folder, Files } from 'fumadocs-ui/components/files';

<Steps>
  <Step>
    Switch to tModLoader [#switch-to-tmodloader]

    In **Startup**, change server type to **tModLoader**.
  </Step>

  <Step>
    Upload mods [#upload-mods]

    In **Files**, navigate to `ModLoader/Mods/`. Upload `.tmod` files.

    <Files>
      <Folder name="ModLoader" defaultOpen>
        <Folder name="Mods" defaultOpen>
          <File name="CalamityMod.tmod" />

          <File name="ThoriumMod.tmod" />
        </Folder>

        <File name="enabled.json" />
      </Folder>
    </Files>
  </Step>

  <Step>
    Enable mods [#enable-mods]

    Edit `enabled.json`: `["CalamityMod", "ThoriumMod"]`
  </Step>

  <Step>
    Restart. Disable anti-cheat (secure=0) for modded servers. [#restart-disable-anti-cheat-secure0-for-modded-servers]
  </Step>
</Steps>

Popular Mods [#popular-mods]

| Mod          | Description                                     |
| ------------ | ----------------------------------------------- |
| **Calamity** | Massive expansion — bosses, biomes, 2000+ items |
| **Thorium**  | New classes (Bard, Healer), bosses              |

All players must have matching mods.

Related Guides [#related-guides]

* [Server Configuration](/docs/terraria/server-config)