Fraps software (version 3.5.99) is a popular tool for recording gameplay, capturing screenshots, and benchmarking performance. Its key features include the ability to record audio and video in high-quality formats, display real-time FPS (frames per second) during gameplay, and customize hotkeys for easy access to its functions. Additionally, Fraps allows s to analyze and compare their system's performance over time, making it a valuable tool for gamers and PC enthusiasts alike.