1} Download Selenium

2} Download selenium-server-3.9.1.zip & selenium-server-standalone-3.9.1.jar

3} Download Internet Explore Driver

4} Download Chrome Driver

5} Create Java Project in Eclipse

6} Add All Java jar file required by Java program

7} Configure Build Path

8} Add External jar file required by Selenium

9} Java Program to make Gmail Login System Automated

10} Automated Gmail Login System (Opening Gmail).

11} Automated Gmail Login System (Entering Gmail).

Your Gmail Login Automated System is Ready Now.
If Any Doubts Please Mention in Comment Section.
Thank You,
Chandan Rajpurohit.