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Changing Modpack Versions on 3rd Party Launchers

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Changing Modpack Versions on 3rd Party Launchers

Mods & Plugins
·
Sep 30, 2025
·
4 min read

This guide will show you how to change which Modpack Version you are using on 3rd Party Launchers such as CurseForge, Technic, FTB and ATLauncher.

Whether you need to downgrade your client version to match the most recent modpack version available on our Modpack installer, or would simply like to play on an older version of your favourite modpack. This guide is here to help.


#CurseForge

  1. Launch CurseForge.

  2. Hover your cursor over the installed modpack you would like to switch the version of.

  3. Select the ‘Change Version’ arrow beside your ‘Play’ button.

  4. Tick Select Version and then click on the dropdown to choose the version you wish to use.

  5. Click Continue. Curseforge will automatically begin installing the selected version of the modpack to your client.


#Technic

  1. Launch Technic.

  2. Click on the Modpacks tab.

  3. Select the modpack you wish to switch the version of.

  4. Select Modpack Options in the top right.

  5. Tick the ‘A Specific Version’ circle and use the dropdown to select the version you’d like to use.

  6. Select Reinstall Pack. This will begin installing the selected version of the modpack on your client.


#FTB

  1. Launch FTB.

  2. Click on the Library tab.

  3. Click on the modpack you wish to switch the version of and select Versions.

  4. Click the dropdown at the top and select the version you wish to use. Then click the Downgrade or Update button.

  5. The FTB app will automatically begin installing the selected version.


#ATLauncher

  1. Launch ATLauncher.

  2. Click on the Instances tab.

  3. Find the modpack you wish to switch the version of and click Edit Instance> Reinstall.

  4. Scroll through the Version to Install dropdown and select the version you’d like to use.

  5. Click on the ‘Reinstall’ button. This will begin installing the selected version of the modpack to your client.


If you require any further assistance, please contact our support at: https://shockbyte.com/billing/submitticket.php

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