In order to install Skype versin in linux operation system you should execute next steps:
1. Go to official site and download lateest version:
2. Open terminal (Ctrl+Alt+T)
3. Go to folder with downloaded file skypeforlinux-64.deb
4. Execute command: sudo dpkg -i skypeforlinux-64.deb
5. Execute command: curl https://repo.skype.com/data/SKYPE-GPG-KEY | sudo apt-key add –
6. Execute command: sudo apt –fix-broken install