Download Debian GNU/Linux 7.0 Wheezy2013/05/06
Download Debian GNU/Linux 7.0 Wheezy ( released on 4 May, 2013 ) from the following site.
It's OK to download 64 bit version commonly. But if your computer is old and not supported 64 bit computing, download 32 bit version.
* The example on this site uses 64 bit version of Debian 7.0.
Burn ISO file to DVD with an apprication on your computer for burning and Make an Installation Disk. After finishing it, proceed to next step for installing Debian 7.0.