Go to Java's "Verify Java Version" web page. 2. Click on the "Verify Java version" button to check which version of Java your computer currently has installed and whether or not you need to update it.

After two years in the current format, the Java version scheme is going to be modified from Java 9 onwards. The change will follow best practices in software versioning across the industry.

Minecraft runs on Java version 17 as of this pre-release – and you can expect the same to be true of the live version of Java Edition once 1.18 officially lands.