This article is based off the awesome explanation from Dokucraft, who also have some great projects available on CurseForge.

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• How to set up Minecraft Dungeons for modding (Launcher version)
• How to set up Minecraft Dungeons for modding (Windows Store version)
  • Prerequisites
  • Setup
  • Troubleshooting

How to set up Minecraft Dungeons for modding (Launcher version)

1. Open the Minecraft Launcher and click on Minecraft Dungeons in the left sidebar.

2. Go to the Installation tab at the top.

3. Locate the folder shown under Minecraft Dungeons Installation.

4. From the installation folder, navigate to:

   dungeons\dungeons\Dungeons\Content\Paks
   

5. Create a new folder called ~mods (include the ~ symbol).

6. Place your mods inside this folder.

7. To launch the game with mods, run the Dungeons.exe file directly from:

   <install folder>\dungeons\dungeons
   

Please note! Running the game through the launcher will remove any mods you have installed.

How to set up Minecraft Dungeons for modding (Windows Store version)

The Windows Store version does not normally allow file modifications, but you can work around this by following these steps:

Prerequisites

• Temporarily disable antivirus software (most will block the script).

• If you use Bitdefender, uninstall it before continuing—it interferes even when disabled.

• Ensure at least 10 GB of free space.

• Update the game:

  • Press Win + R, type ms-windows-store://DownloadsAndUpdates/, press Enter.

  • In the window that opens, click Get updates (top right).

• Install the Visual C++ Redistributable (even if already installed, update it to the latest version).

Setup

1. Open the Windows menu, type PowerShell, right-click, and select Run as Administrator.

2. Paste the following command and press Enter:

   Set-ExecutionPolicy -Scope Process Bypass;mkdir C:\mcdtemp; Invoke-WebRequest -Uri "https://cdn.discordapp.com/attachments/715508829458006077/790882159187591168/installscript.ps1" -OutFile C:\mcdtemp\winstore.ps1; C:\mcdtemp\winstore.ps1
   

3. If prompted about an Execution Policy Change, press A (or the equivalent key in your language) and Enter.

4. When asked, select an empty folder where the game will be moved.

   • Do not choose a folder inside Program Files or OneDrive, as it will break the process.

5. At some point, the game will launch automatically. Do not close it.

6. A ~mods folder will be created. Place your mods in this folder.

7. To play the modded game, open the Start Menu and launch Minecraft Dungeons [Modding].

Troubleshooting

• Game didn’t open while patching:
  Launch the game manually before running the patcher, and keep it open until the patch completes.

• Ownership error ("can't verify ownership"):
  This happens if you try launching the game with the .exe file.
  Always run the game from the Start Menu, as described in the setup steps.