Software testing improves user experience by ensuring the application functions as expected, is free of bugs, and performs reliably. Through rigorous testing, developers identify and fix issues that could negatively impact usability, such as slow load times, crashes, or confusing interfaces. Testing also verifies that the software is intuitive, meets user needs, and performs well under different conditions. By addressing potential problems early, testing helps deliver a polished, user-friendly product that enhances satisfaction and builds trust. Ultimately, thorough testing contributes to smoother interactions, fewer frustrations, and a more seamless overall user experience.