5KPlayer software (version 4.1) is a multimedia player that s various video and audio formats including 4K, 5K, and 8K. It also s the playback of online videos from YouTube, Vimeo, and other video sharing sites. The software features an AirPlay function, allowing s to stream media from their iPhone or iPad to their computer. Additionally, it includes a built-in radio player and the ability to videos from online sources.