On Windows systems, JDeveloper 12.2.1.4 is typically launched via the Start Menu shortcut or by running the jdev.exe executable. The IDE has been tested and certified on Windows x64 versions 7 through 11, as well as Windows Server 2019 and 2022.
To check or change the JDK version used by the IDE: jdeveloper 12.2.1.4 java version