magnet:?xt=urn:btih:d63b87a962eb96ab8429a9d7133bd374d3cb28ed&xt=urn:md5:b0dff4ecfadc0b2efa53f9a9115c0bec&xl=349470664&dn=qt-mac-opensource-4.6.4-debug-libs.dmg&as=https://download.qt.io/archive/qt/4.6/qt-mac-opensource-4.6.4-debug-libs.dmg&tr=http://bt.qt-project.org:6969/announce