We have come to realize that as our needs evolve, software needs to evolve to better develop, understand and move forward in technological history. The need for everchanging solutions for our everchanging needs gave rise to a software engineering model that has been used since the 1950s. There are two main classifications of Evolutionary Techniques in Software Engineering. Evolutionary computing can be defined as a system that can adjust to evolving requirements and the world in which it operates continuously. This can be interpreted as a metaphor for Darwin's theory. but this concept has been used fervently since the 1950s to explore, improve and gain better insight into technological sciences and algorithms. Evolutionary development can be vaguely described as a mixture of iterative and gradual models in the software development lifecycle. This model splits down the production cycle into simpler, gradual cascade models, with consumers gaining access to the product after each cycle. Users provide input to help develop the product, resulting in quantifiable deliverables that can be used to promptly check and confirm their requirements. In this article, we will be exploring these various methods that have been studied throughout the years and their real-world applications.