magnet:?xt=urn:btih:541b98d45c1c8bb2836663e8af6ef54bef6c8e24&xt=urn:md5:38c7a920e800de4507565d84d6c5e62e&xl=340547016&dn=qt-mac-opensource-4.6.3-debug-libs.dmg&as=https://download.qt.io/new_archive/qt/4.6/qt-mac-opensource-4.6.3-debug-libs.dmg&tr=http://bt.qt-project.org:6969/announce