Discover how User Acceptance Testing ( UAT ) ensures your software truly works for real users. Learn the steps, best practices, challenges, and examples to run successful UAT —and avoid last-minute surprises before launch. UAT is the final stage of software development, where end users and clients test the software in real-world conditions to assess its functionality and usability. Learn what UAT is, why it is important, and how to perform it with Coursera's project management courses. Master the essentials of user acceptance testing. See the steps project managers must follow to validate software with end users.