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How to install a datapack in singleplayer

1. Open Minecraft
   Launch the game.

2. Create a New World
   Navigate to "More" and click on "Data Packs".

   

3. Add the Datapack
   Drag the datapack (a .zip file or directory) into the Minecraft window.

   • A confirmation screen will appear. Click "Yes".

4. Activate the Datapack
   Move the datapack to the right-hand side of the screen by clicking the triangle on its icon (visible when hovering over it).

5. Complete World Creation
   • Click "Done" at the bottom of the screen.
   • Continue creating your world and click "Create New World".

⚠️ IMPORTANT ⚠️

The datapack only works if cheats are enabled.

You can verify the datapack is active by typing:
/datapack list enabled

This command should list an entry named [file/<your datapack file/directory name>].

How to Install a Datapack in an Existing Singleplayer World

1. Open Minecraft
   Launch the game.

2. Select Your World

   • Choose the world you want to install the datapack for.
   • Click "Edit", then "Open World Folder".

3. Add the Datapack

   • Open the folder named datapacks.
   • Place the datapack into this folder. It should be a .zip file or a directory.

4. Reload the World

   • If you are in the world during installation, type /reload in the chat or press F3 + T to reload resources.
     (Make sure cheats are enabled.)

⚠️ IMPORTANT ⚠️

The datapack only works if cheats are enabled.

You can verify the datapack is active by typing:
/datapack list enabled

If you encounter this issue, here is a step by step guide on how to enable Cheats/Admincommands permanently after you have already created a Minecraft world.

⚠️ Before you begin, you should save and backup your world in case something goes wrong.
(I will not take any responsibility for any corrupt worlds. Do this at your own risk!)
But don't worry this works without any problems.
If you don't want to change this permanently check out this guide.

1. You need NBTExplorer

NBTExplorer is an open-source NBT editor for all common sources of NBT data. It's mainly intended for editing Minecraft game data.

2. Open NBTExplorer and open your Minecraft world, where you want to enable Cheats/Admincommands.

3. Navigate to:

• <Your Minecraft World>
• level.dat
• Data
• allowCommands

4. Click on "Edit Tag Value"

5. Change the Value from 0 to 1 and click "OK"

6. Now click on "Save All Modified Tags"

That's it. You are done. You can now join your world and check if you have permission to change your gamemode, for example.

Enabling Cheats Temporarily After World Creation

If you encounter this issue, here is a step-by-step guide on how to enable Cheats/Admin commands temporarily after you have already created a Minecraft world.

1. Join Your World
   Open your single-player world and press "Escape".

2. Open to LAN
   Click on "Open to LAN".

   

3. Allow Commands
   Set "Allow Commands" to ON.

   

4. Start LAN World
   Click "Start LAN World" to apply the changes.

Now, you should be able to use commands like changing your gamemode. Keep in mind that this is only temporary and will need to be done every time you join the world.