To resolve the "EXE4J_JAVA_HOME" error and successfully download a for use with exe4j , you must ensure the "bitness" of your JDK matches the "bitness" of the executable launcher you are creating. If you are building a 32-bit application, exe4j requires a 32-bit JVM to run it. 1. Download 32-bit JDK
exe4j relies on JAVA_HOME or a bundled JRE. Here’s how to set it up correctly. Exe4j Java Home 32 Bit Jdk Download --BEST
Run the installer you downloaded.