Install 1.18 or Java 17 Custom JAR


Steps:
1. Download your version of Minecraft and name it "custom_j17.jar"
1.1 We recommend making a backup before continuing  
2. Go to your Multicraft and change your "JAR File" section to say "Custom | Custom Jar [Java 17]" (if Not supported, please open a ticket).
3. Click save
4. Go to your FTP File Manager (We recommend FileZilla) and login tutorial here: https://youtu.be/zIP5n1ruEgo
5. Upload the JAR you have downloaded into the main folder.
6. Verify that it is named "custom_j17.jar". If not, rename it to say "custom_j17.jar".
7. Expand "Show Advanced Settings" and change the "Look for JARs in" to say "Server Base Directory"
8. Start the server.

If you have any questions or concerns, feel free to open a ticket in our Discord Community Server or in the Client Area. ​
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