Debian64 install skype(from Debian Wiki)

First, you will have to enable Multi-Arch; type in the following commands in ROOT Terminal:

# dpkg --add-architecture i386
# apt-get update

Then, download the i386 package as above and install:

# wget -O skype-install.deb http://www.skype.com/go/getskype-linux-deb
# dpkg -i skype-install.deb

To fix missing dependencies, you might want to use:

# apt-get -f install