https://blog.wongcw.com/2018/12/27/free-youtube-download-4-1-85-827-premium%ef%bc%88%e5%90%ab%ef%bc%9a%e8%a8%bb%e5%86%8a%e6%a9%9f%e5%ba%8f%e5%88%97%e8%99%9f%ef%bc%89/
Free YouTube Download 4.1.85.827 Premium(含:註冊機序列號)