first you need a client that can connect to a news server , you need to download sabnzbd(
http://sabnzbd.org/), it does have a build in wizard, install it, it will run a wizard, and ask for details.
Details:
server:news.mweb.co.za
port:119
connections:3
username and password you leave empty
other 2 pages you skip it, not important.
now you need the nzb files to start the download(this is like torrents file).
these files you download from nzbmatrix.com , register a free account.
download the rar file.
use the add nzb file button inside sabnz, then it should start downloading.
remember sabnz runs in your browser.