How to configure Maven in Windows PC

HelloWorld Project in Maven https://www.youtube.com/watch?v=eoKUx7VZlK0 How to configure Maven in Windows PC https://www.youtube.com/watch?v=5L1T6ZmmZww How to Install tomcat server in Windows https://www.youtube.com/watch?v=kRSdNo5dfXU What is WAR, How to deploy WAR file in Tomcat Server https://www.youtube.com/watch?v=sGwCAB46Zv8