There are three simple ways to set JAVA_HOME in Windows. This tutorial shows you how to do it manually, from the command line and through the installer.

Get a hands-on look at Java preview features, such as the JDK 13 text blocks, with this video tutorial that lays out how to run and compile to proper code in five easy steps.

If Java is not recognized as internal or external command, you need to make sure that the installation is not problematic and its path is recognized as system variables.