Game download problem

how to download this,when i try cataclysm for windows nothing happens.. Anyone help?

you need a Torrent client installed on your PC, if possible open it before to click on "download"
in case you still have problems this is the Magnet of Cata/windows:

Spoiler: Show

Code:

---

magnet:?xt=urn:btih:THTMVEYNIT4UQ2KSPXXRBLWZUANBNTM2&dn=World%20of%20Warcraft%20-%20Cataclysm%204.3.4%20(15595).zip

---