PCDJ DEX software (version 2.6.5) is a professional DJ software that allows for seamless mixing and playback of digital audio and video files. The software features an intuitive interface with advanced mixing capabilities, including beat syncing, looping, and effects processing. It also has a range of tools for managing and organizing music collections, as well as support for hardware controllers and external devices. Overall, PCDJ DEX offers a comprehensive solution for DJs looking to elevate their performances and create a high-quality audio and visual experience for their audiences.