It is absolutely possible to install side-by-side several JRE/JDK versions. … Basically, the JRE that will work would be the first in your PATH environment variable. You can change that, or the JAVA_HOME variable, or create specific cmd/bat files to launch the applications you desire, each with a different JRE in path.
Can I install two versions of Java Windows 10?
Installing several Java versions at the same time is incredibly easy in Windows. You can download and run the installer for each version, which automatically installs the versions in separate directories.
Can I install multiple versions of JDK?
Yeah, you can install as many Java SDKs as you want. When you develop you just use the JDK you want to use. … So you can easily download and unpack all the versions you want, and run java and javac from the directory you’re currently interested in.