Already have java 8

#1

i already have java 8 how do i use, java 10 if i install it.

#2

like how do i change or implement java 10 if i already use java 8?

#3

You can uninstall older versions of Java manually in the same way as you would uninstall any other software from your Windows computer. Follow the instructions on manually uninstalling Java for Windows.The latest available version is compatible with the older versions.