For over a decade, Java Applets were a primary delivery method for rich web content. Browsers were predominantly 32-bit processes. Consequently, users were required to have the 32-bit Java Runtime Environment (JRE) installed to view applets in browsers like Internet Explorer or Firefox.
If you’ve ever downloaded Java from Oracle or OpenJDK, you might have noticed the "Windows x86" (as opposed to "Windows x64") option and wondered if it’s just legacy cruft. 32-bit java
For most developers and general users, migrating to 64-bit Java is essential for continued security updates and access to the latest performance enhancements found in LTS releases like Java 21 or 25. For over a decade, Java Applets were a