On Windows, things are slightly more flexible. You generally don't need a "special" OS version of Java 6.
Can you have Java 6 and Java 21 on the same machine? java se 6 runtime
You can use jenv to switch versions, or simply check your versions using the Java Preferences utility (though this is often missing in newer OS versions). On Windows, things are slightly more flexible
Even though we are now on Java 21 and beyond, Java SE 6 refuses to die. It is the backbone of many legacy enterprise tools, specialized IDEs, and even some older video games. However, installing it on modern operating systems like macOS Sonoma, Ventura, or Windows 10/11 can be a headache. java se 6 runtime