Install and configure Skype via snap on Debian

Install snapd:

sudo apt update
sudo apt install snapd

Get the latest snapd:

sudo snap install snapd

Install Skype:

sudo snap install skype

Copy shortcuts to access Skype later:

cd ~/.local/share/applications
ln -s /var/lib/snapd/desktop/applications/skype_skypeforlinux.desktop skype-snap.desktop