You can combine multiple 4K videos and export the file without quality loss using the dedicated 4K video joiner. Get the software and follow this tutorial: https://www.videoconverterfactory.com/tips/4k-video-joiner.html
You can combine multiple 4K videos and export the file without quality loss using the dedicated 4K video joiner. Get the software and follow this tutorial: https://www.videoconverterfactory.com/tips/4k-video-joiner.html