There is no “Launch agent via Java Web Start” option in my jenkins when I adding a windows slave node

Question

I have already configured the java enviroment and installtion path

Answer 1

This is a duplicate question from Server Fault: Answer Here

Java Web Start utilizes TCP so it has to be enabled and configured in Jenkins...

1. Login to Jenkins as admin
2. Manage Jenkins > Configure Global Security > TCP port for JNLP agents

Do yourself a favor and pick a static port assignment...