Software testing is a process of evaluating and verifying the actual software product and application process which is supposed to do. It is the process that includes controlling, implementing, planning, and executing the program, where they can easily analyze and design the various activities. It is the process that is used to check the errors and bugs in the software and they can easily identify the process and have reliable security with high performance. It easily helps to find the problem in software and make it defect free to produce a quality product to the customers.