How to install mods on Aternos and improve your Minecraft server

Last update: March 27th, 2025
  • It is essential to ensure that the mods are compatible with the server's version of Minecraft.
  • Using CurseForge makes it easy to install and manage mods on Aternos and the player client.
  • All players must install the same mods to avoid errors when entering the server.
Installing mods on Aternos will boost your Minecraft server.

Minecraft is a game that allows for virtually infinite customization thanks to mods. If you have a server on Aternos, you can expand it with modifications to enhance the gaming experience for both you and your friends. In this guide, we'll explain step-by-step how to install mods on Aternos easily and without errors.

Before you begin, it's important to understand that not all mods are compatible with Aternos, and you'll need to follow a series of steps to avoid malfunctions. Throughout this article, we'll show you how to find compatible mods, install them correctly, and ensure your server and Minecraft client have the same settings.

Installing mods on Aternos

What you need to install mods on an Aternos server

In order to add mods to a server in Aternos, you'll need a few tools. The most important one is Curseforge, a platform that manages the download and installation of mods in Minecraft. This application will allow you to easily install mods and ensure you're using the correct versions to avoid incompatibilities.

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Additionally, you should consider the following aspects before installing mods:

  • Compatibility with Aternos: Not all mods work on Aternos, so it's important to check the ones available on the platform before installing them.
  • Server version: Make sure the mod version matches the Minecraft version configured on your server to avoid errors.

How to find compatible mods in Aternos

To find mods compatible with your server, follow these steps:

  1. Go to the Aternos website and log in to your account.
  2. Within the server control panel, make sure you use Forge as server software.
  3. In the left sidebar, click the option “mods”This will take you to the list of available mods.
  4. Use the search box to find the mods you want to install, making sure you select the correct version.

Installing mods on the Aternos server

Once you've found the mods compatible with Aternos, the installation process is very simple:

  1. Within the list of mods in Aternos, find the mod you want to install.
  2. Click the green icon next to the specific mod version to begin installing it.
  3. Wait for the installation gear to finish and a message to appear. green tick, indicating that the mod is installed.
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This process installs the mod on the server, but you won't be able to play it until you install it on your Minecraft client. Also, if you'd like to learn more about how to install mods in Minecraft on PS4, you can consult our guide.

How to install mods in Minecraft (Client)

To play on the server with mods active, each player who wants to join must also install them on their own Minecraft. To do this:

  1. Click the mod link within Aternos to go to its CurseForge page.
  2. Download the exact version of the mod you installed on the server.
  3. Open the CurseForge application and make sure to create an installation profile with the same version you used in Aternos.
  4. Install mods to your CurseForge profile so they are applied when you start Minecraft.

If there are other players on your server, make sure everyone installs the same mod version to avoid incompatibilities. For more information, visit our guide on how to install mods. play with friends in Minecraft.

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Common troubleshooting

Installing mods can sometimes cause issues. Here are some common errors and their solutions:

  • Incompatible versions error: If Minecraft won't start or crashes, check that the mod version on the server is the same as the one on the client.
  • The mod does not appear in the game: Check that CurseForge is installed correctly and that the Minecraft profile selected is correct.
  • The mod requires other additional files: Some mods require add-ons to work. Check the mod's description on CurseForge and download any additional files if necessary.

By following these steps, you will be able to enjoy custom servers with mods Aternos is easy. Make sure to choose the right mods and keep the same settings for all players to avoid connection issues.

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