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This guide is generic. The author HighMark assumes no responsibility for any errors or PC issues. None of the mentioned services (e.g., ngrok) are sponsored.

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1. System Requirements

Before starting, make sure you have:
  • A computer with at least 4 GB of RAM (8 GB recommended for larger servers).
  • A stable internet connection.
  • Java installed (required to run the server). Make sure to have the correct version for the Minecraft version you want to use (e.g., Java 17 for 1.18+, Java 21 for 1.20.5+).

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2. Download Server Software

  1. Go to the official Minecraft website and download the server file. Download here Recommended alternative: Use PaperMC or Purpur for better performance compared to the vanilla server.
  2. Save the server.jar file in a dedicated folder (e.g., C:\MinecraftServer).

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3. Configure the Server

  1. Open the folder where you saved server.jar.
  2. Create a text file named start.bat (on Windows) or start.sh (on macOS/Linux) in the same folder.
  3. Insert the following code in the file: 
    java -Xmx4G -Xms4G -jar server.jar nogui
pause
    (Replace “server.jar” with the exact name of your file if different).
  4. RECOMMENDED: Use an optimized script created directly by me: OptimizedServerMC.bat

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4. Start the Server for the First Time

  1. Run the start.bat file (or start.sh on macOS/Linux).
  2. The server will generate some files and folders and close. Look for the eula.txt file.
  3. Open eula.txt and change the line eula=false to eula=true. This confirms that you accept the Minecraft EULA.
  4. Restart the server by running start.bat again.

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5. Configure the server.properties File

  1. Open the server.properties file with a text editor.
  2. Modify the main settings according to your needs:
    • server-port=25565: Server port.
    • max-players=20: Maximum number of players.
    • online-mode=true: Set to false if you want to allow access to those without a premium account (SP).
    • difficulty=easy: Game difficulty.
  3. Save changes and restart the server.

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6. Connect Players to the Server

  1. Start Minecraft on your computer.
  2. Go to Multiplayer > Add Server.
  3. Enter the IP address:
    • For you (Host): use localhost or 127.0.0.1.
    • For those on your same Wi-Fi network: use your local IP address (e.g., 192.168.1.x).
    • For online friends: You will need to open router ports (Port Forwarding) or use services like Playit.gg or Ngrok if you cannot access the router.

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7. Advanced Configurations

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A. Add Mods

  1. Download Forge or Fabric instead of vanilla server.
  2. Install the loader and copy mods into the mods folder generated in the server.
Guide created by HighMark - All information and contacts on my official website: Highmark.it