How to install JDK in Windows and set up the environment variables?

Download the latest version of Java from the official site. Run the .exe to install Java on your machine. Once you installed Java on your machine, you will need to set environment variables to point to correct installation directories −

Setting Up the Path for Windows:

Assuming you have installed Java in c:\Program Files\java\jdk directory −

•  Right-click on 'My Computer' and select 'Properties'.
• Click the 'Environment variables' button under the 'Advanced' tab.
• Now, alter the 'Path' variable so that it also contains the path to the Java executable. Example, if the path is currently set to 'C:\WINDOWS\SYSTEM32', then change your path to read 'C:\WINDOWS\SYSTEM32;c:\Program Files\java\jdk\bin'.