magnet:?xt=urn:btih:b8b76debc50f6900ebecdcfe9809220b6d9e25fd&xt=urn:md5:0fa6be5707d6f9457bfac0afd1a06eb1&xl=186053841&dn=qt-mac-opensource-4.2.3-debug-libs.dmg&as=https://download.qt.io/archive/qt/4.2/qt-mac-opensource-4.2.3-debug-libs.dmg&tr=http://bt.qt-project.org:6969/announce