A simple guide on changing your launcher to use Minecraft 1.12 instead of 1.13.

  1. Open your launcher.
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  2. Click on New Profile.
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  3. Select the "Use Version" dropdown menu.
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  4. Select 1.12.2 From the list and rename the "Profile Name" to 1.12, and then click on "Save Profile".
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  5. Select the new 1.12.2 Profile and click Play!
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