My impression it is for 64bit browsers (like IE 64 bit). I'm not sure if there is a 64bit Firefox. If you use a 32 bit browser, you still need to install the 32 bit Java. I think on their page it ...
If you’re a software developer or simply want to run Java applications on your Windows 11 machine, the first thing you need to do is install the Java Development Kit (JDK) from Oracle. But fear not!
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