You don't need it. Install Java 18.0.2 from Adoptium and get back to coding.
If you have landed here asking: Does Java Runtime 18 u241 exist? How does it work? What should I use instead? — you are in the right place. java runtime 18 u241 work
JDK 18u241 includes several key features and enhancements, such as: You don't need it
These LTS releases follow a predictable update schedule, just like the old uXXX system. just like the old uXXX system.