magnet:?xt=urn:btih:e624cc90e7b199f6d0baa3aa7dd2cbaa0f0a7b5d&xt=urn:md5:3bbc0541d4f908afd9979b0ee16cd65e&xl=148643359&dn=qt-all-opensource-src-4.5.2.zip&as=https://download.qt.io/archive/qt/4.5/qt-all-opensource-src-4.5.2.zip&tr=http://bt.qt-project.org:6969/announce