Jenkins: How to download a plugins
Download plugins :
Plugins are the primary means of enhancing the functionality of a Jenkins environment to suit organization- or user-specific needs. There are over a thousand different plugins that can be installed on a Jenkins controller and integrate various build tools, cloud providers, analysis tools, and much more.
Go to the dashboard and then click manage Jenkins then manage plugins and then click to available section and search the Github plugin and GitHub
download it with restart or not
If the dev. the team made a code file then this file was the push to an open-source Github profile then the connection between GitHub and Jenkins plays the plugins a lot
STEP 1) Click on the manage jenkins
STEP 2) Click manage plugins
STEP 3) Click available tag and search the github plugin
STEP 4) Now finally download the plugin with restart the jenkins.