If you are playing massive mods (Calamity + Thorium + Fargo's), the 32-bit version will crash with "OutOfMemory."
After installation, you can verify you have the correct version by launching tModLoader and checking the bottom-left corner of the main menu screen. It should explicitly read v2024.xx.x or 1.4.4.9. If you encounter issues, such as the game failing to load mods or crashing on world generation, perform these fixes:
Downloading tModLoader 1.4.4.9 is straightforward, provided you own Terraria on Steam. Follow these steps carefully:
Important note for existing users: If you previously installed tModLoader manually from a website, uninstall that version first. The Steam DLC method is the only official and supported way to receive automatic updates and maintain version 1.4.4.9. download tmodloader 1449 updated
The modding community is currently split. Calamity developers have stated they will not update to tModLoader 1.4.5 for at least 6-12 months. Similarly, many QoL mods have stopped development.
If you search for "download tModLoader 1449 updated" today, you are likely doing so because a specific mod pack (like The Stars Above or Secrets of the Shadows) refuses to load on the latest Steam version.
By locking your tModLoader to this specific build (1449), you are freezing your game in a "golden age" of mod compatibility. If you are playing massive mods (Calamity +
Important note: As of 2024–2025, the default Steam version of tModLoader is for Terraria 1.4.4.9 (Labor of Love update). If you need this specific version, here’s how to get it.
Downloading tModLoader 1.4.4.9 is now a seamless process via Steam. It is a mandatory upgrade for anyone wanting to
Important Note: The current version of tModLoader on Steam has updated to support Terraria 1.4.4 (the "Labor of Love" update). If you are trying to play modern mods (like Calamity 2.0 or Thorium), you actually want the default Steam version. After installation, you can verify you have the
However, if you are looking for the Legacy (1.3) version or a specific preview version, or if you just want the direct download links for the standalone version (non-Steam), here is a helpful guide.
| Problem | Solution |
|---------|----------|
| Game crashes on launch | Delete config.json inside Documents\My Games\Terraria\tModLoader |
| Mod Browser empty | Change Steam download region (Steam → Settings → Downloads) |
| “Old mods” warning | Reinstall mods manually from the Mod Browser |
Warning: If Steam shows version 1.4.5 or 1.4.6 preview, you are on the wrong branch. Switch back to 1.4.4-legacy.