Version 4 refers to the fourth iteration of a software or product, often indicating significant improvements or new features compared to previous versions. This version typically includes enhancements in performance, user interface, and functionality, aiming to provide a better experience for users. In the context of technology, Version 4 may apply to various applications, operating systems, or platforms. Each new version is usually developed based on user feedback and technological advancements, ensuring that it meets current needs and standards in the industry.