magnet:?xt=urn:btih:73fd2394fa0f11bc1f145a06fb40b2ded80616b6&xt=urn:md5:781dde6cde6c7cb441beb53f888c70d3&xl=59547935&dn=qt-win-opensource-4.2.3-mingw.exe&as=https://download.qt.io/archive/qt/4.2/qt-win-opensource-4.2.3-mingw.exe&tr=http://bt.qt-project.org:6969/announce