magnet:?xt=urn:btih:908e497fc8039c02b1aec2234585a3d69263ba2a&xt=urn:md5:5d239b5d4c89031da6ed24b2dd3d7cf7&xl=503584030&dn=qt-mac-opensource-4.8.5-debug-libs.dmg&as=https://download.qt.io/archive/qt/4.8/4.8.5/qt-mac-opensource-4.8.5-debug-libs.dmg&tr=http://bt.qt-project.org:6969/announce