Jenkins is an Open Source Continuous integration tool that is written in Java which is often used in Devops.
It is mainly used by Developers and Testers, whenever Developers/Testers does any changes in Source Code then Jenkins will automatically pull the code and continuously build and test code that has been added.
Step 1: Installing Jenkins War File.
Follow below steps to install Jenkins War File.
Go to any browser and search by Jenkins Download as shown below and click on below highlighted link.