When you go to Skype Download page with Windows 8 or 8.1 as your operating system, it will open Microsoft app store and install Skype Metro version app. But you want to use Skype in Desktop mode in Windows 8 then you will need Skype for Desktop.
But Skype still provide Desktop version installer, which let you use Skype in Desktop mode in Windows 8, but they promote Metro version of Installer and Desktop version on different URL.
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- Download Skype for Desktop version for Windows 8 from Skype Official Page.
- Download about 35 MB full setup and Install as you install any software.
- After Installation open Skype from Desktop Icon do not open from Metro GUI Because it will open Metro version of Skype.