Download Setup & Crack 4K Video Downloader 5.0.0.5104 Crack Plus License Keygen Free Download [Latest Version] 4k Video Downloader Crack is an intuitive application that you will use to download videos from YouTube and convert them to FLV, MP4, MKV, or 3GP. You’ll also extract the audio stream and save it to MP3, M4A, or OGG.