User acceptance testing (UAT) is the final stage in the software development process before moving to production. We validate the provided software solution or product against business requirements. This article will discuss User Acceptance Testing in detail. What is user acceptance testing (UAT)? UAT is when we conduct a test to see whether a software product meets the business requirements. It is the final stage of software development before moving on to production. The end-user does it to verify a software system before moving the software product to a live environment. It confirms whether the solution works well for the user or not. UAT is different from unit testing, integration testing, and system testing. System testing ensures that the system does not crash and meets the documented requirements. On the other hand, UAT ensures that the software system is working as per the business requirements. The system is evaluated in real-life scenarios from the external user point of vie...