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Steps to download and install JDK

As on when we started learning of any new technology, we should know what are the prerequisites to learn that technology. Like from where we can download the required software? and how to install it? Follow reading this article to understand, from where we can download Java JDK software and how to install it in Windows environment?

Java has two different layers like JDK and JRE. JDK stands for Java Development Kit and JRE stands for Java Runtime Environment. We need to install JDK for Java development and JRE for
executing compiled Java classes. JRE is majorly used in Production environments.

Now, you might have the question from where I can download the JDK software? To download the latest version of JDK click here, to download JDK 8 version click here, to download older version click here.

We need to accept the license to download the JDK by clicking on Radio button as shown in the below screen, Then click on OS specific link to start download process.
            
Note: x86 refers to the 32 bit OS and x64 refers to the 64 bit OS.

How to install JDK/JRE?
Installation of JDK/JRE is very easy to do in Windows environment. Follow the below steps to complete the installation process.

Step 1:
After completing the download, double click on executable file to start the installation process. Windows will point a popup saying that you need to install this software or not? click on Yes button to proceed further installation.

Step 2:
You will be show the below installation welcome screen, click on Next button to continue.
                

Step 3:
You will get the below Custom Setup form, to install which which part of JDK like Development Tools, Source code and Public JRE. By default selected as Development Tools and don't change. Also, you can change the JDK installation path by clicking on Change button. If you don't want to change and need to move on further installation, click on Next button.
             

 Step 4:
After that you will get the below installation progress screen. It will take a while to complete the process, please wait until completing.
              

 Step 5:
After completing the JDK installation, it will show you the below screen of JRE installation. If you want to Change the installation path, you can change by clicking on Change button. Otherwise click on Next button to move further installation.
              
Note: You might get a question of I am installing only JDK why JRE is coming? because when you install JRE, JRE only will install. When you installing JDK, JRE also installed. JDK has it's own JRE.

Step 6:
You can see the below JRE installation progress screen along with in how many machines are running JDK. It will take a while, please wait until it completes.
              

Step 7:
You will see the below screen with the message of Successfully installed JDK. Click on Close button.
            

After installation you need to setup the JDK path in environment variables. You can follow this article to know how to set Java path in windows.
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