After installing the Skype for Windows 8 app, you will notice that the messaging service is only accessible via the Start screen, which is quite annoying as this version of Skype comes with less features. So how to get a desktop version of Skype?
You can download and install the desktop version of Skype from this link: https://www.skypeom/en/get-skype/
Double-click on SkypeSetue to begin the installation.
Note that: You can can switch between the two version of Skype at any moment as your current conversations/messages will be available on both apps.