Choose the installer compatible with your operating system (Windows, Solaris, or Linux).
Downloading and running Java 1.4.0 in a modern environment poses significant security risks. This version does not contain the security patches developed over the last 20 years. Do not use Java 1.4.0 for web browsing.
Create a new variable named JAVA_HOME and set its value to your installation path. java 1.4 0 download
If you manage to secure a .exe or .zip file for Java 1.4.0, follow these steps to set it up:
Find the Path variable and add %JAVA_HOME%\bin to the beginning of the list. Choose the installer compatible with your operating system
Finding a download link for software over two decades old can be challenging. Since Java 1.4.0 has long reached its End of Life (EOL), it is no longer available on the primary Oracle download pages.
Only use it for legacy enterprise applications that are not exposed to the public internet. Do not use Java 1
Third-Party RepositoriesSome developers turn to sites like OldApps or FileHippo. While these sites host older installers, use them with extreme caution. Always verify the file hash if possible to ensure the installer hasn't been bundled with malware. Common Components in the Download
When looking for the download, you will likely see two different packages. It is important to choose the one that fits your needs:
Oracle Java ArchiveThe most reliable source is the Oracle Java Archive. Oracle maintains a repository of historical releases for testing and legacy support. You will need to create a free Oracle account to access these files. Navigate to the Oracle Java Archive page. Look for the "Java SE 1.4" section. Select version 1.4.0 from the list.