From the menu, choose the 'Installations' entry
Here you must choose the Installation Type you want to add (here a Tool)
You must configure the tool you want to add
You can use the checkbox if you want to add a Profile with the same name as your jdk name.
The value 'Value/Path' field must contains the jdk path (as a JAVA_HOME value).
The value will validated with testing path/bin/java -version
It the the test, the following error will be displayed