Set path to JDK to C:\Program Files\Zulu\zulu-11\bin
Start NetBeans by running “C:\Program Files\netbeans\bin\netbeans64.exe”. Also creates a start menu shortcut.
Go to the Tools → Plugins → Available Plugins menu and select JavaFX Implementation for Windows, Editor :: Autosave, and the nb-javac Java editing support library plugins. Click Install.
Go to the Tools → Options → Java Platforms menu and be sure the Java Platform points to Zulu 11 (C:\Program Files\Zulu\zulu-11\bin) folder you installed earlier.