WinX Free YouTube Downloader - Version 4.0.4 Free download YouTube / Yahoo / Facebook / Dailymotion videos in MP4, FLV and WebM formats. WinX Free YouTube Downloader is a free 4K/HD video downloader and music downloader for Windows 10/8/7. It can auto detect and fast download video from not only YouTube and but also Yahoo, Facebook, Dailymotion, Vimeo, MTV, Vevo, Break, niconico etc. of any resolutions like 4096x2160, 3840x2160, 1920x1080, and 1080x720 in WebM, FLV and MP4 formats.How to free download online (YouTube) video and music with Windows 10? This free YouTube downloader lets you download 4K/HD video fast. Step 1. Add YouTube video URL by "+" button. Step 2. Select the target video format/resolution and click "OK". You can download YouTube video to FLV/MP4/WebM formats on Windows. Step 3. Hit the "Download" button and go!