magnet:?xt=urn:btih:63f43abd4b8e9fa9c238f89d238dca118c081ba0&xt=urn:md5:6d2bf14c48f324ad870f0f841683bff3&xl=3426205178&dn=qt-opensource-mac-x64-5.12.3.dmg&as=https://download.qt.io/archive/qt/5.12/5.12.3/qt-opensource-mac-x64-5.12.3.dmg&tr=http://bt.qt-project.org:6969/announce