A promising lead pointed to the use of an older version of Firefox, one that still supported Java. Alex cautiously downloaded Firefox 51, a version that seemed to be the last to support the plugin. As they installed it, a thrill of excitement coursed through their veins.

Because Firefox has moved away from the plugin architecture entirely, the standard advice for users who cannot upgrade their legacy systems is to use a dual-browser strategy:

For organizations and users who require more time to transition away from Java-dependent applications, Mozilla offers the .

Instead of fighting modern browsers, ask the website provider to upgrade their application:

If you must run a Java applet in 2024, you have three options: