Change the apt sources file:
vim /etc/apt/sources.list
Regular packages
deb http://ftp.se.debian.org/debian wheezy main non-free contrib
Experimental
deb http://ftp.se.debian.org/debian experimental main non-free contrib
Change the apt sources file:
vim /etc/apt/sources.list
Regular packages
deb http://ftp.se.debian.org/debian wheezy main non-free contrib
Experimental
deb http://ftp.se.debian.org/debian experimental main non-free contrib