How to change your JAR file to anything you'd like in Pterodactyl (Change version)

1. Go to

2. Download the Jar you want

3. Press File Management on the Pterodactyl panel (
 -> Picture:

4. Press Upload and select the Jar you downloaded
 -> Picture:

5. Rename your Jar in File management (or before you upload it) by going to the 3 dots, clicking it and pressing rename. Rename it to server.jar unless you changed your Jar name in the startup section.

6. Go to console and press start

7. If you get an error, delete your worlds. That is the most likely fix.


If you require any further assistance, please contact our support at:

  • server, jar, java, 1.17
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