5KPlayer is mentioned in best media players for Windows
Download 5KPlayer 6.1 from our software library for free. The actual developer of the free program is DearMob, Inc. The program is included in Multimedia Tools. The size of the latest downloadable setup file is 6.9 MB. Our built-in antivirus checked this download and rated it as 100% safe.
From the developer:
5KPlayer can play any audio or video file, including UHD, 3D, HDR, and 360 degree contents. It can also play Internet radio and M3U8/IPTV streams. Use of NVIDIA CUDA, Intel-QSV, AMD, and DXVA2 GPU acceleration greatly improves the performance of video decoding and encoding.
You may want to check out more software, such as WinX Free YouTube Downloader, which might be related to 5KPlayer.