magnet:?xt=urn:btih:713a33518fd20f04a4f89aeacd2df1e0b242a7dc&xt=urn:md5:8d4ce7ea0266fc8013a23e29365e34e0&xl=12032&dn=changes-4.8.4&as=https://download.qt.io/archive/qt/4.8/4.8.4/changes-4.8.4&tr=http://bt.qt-project.org:6969/announce