Skype portable app made with Portapps.
A telecommunications application software product that specializes in providing video chat and voice calls.
Download and install the latest portable setup where you want then run
App already installed
If you have already installed Skype from the original setup, do the same thing as a fresh installation and move files :
%APPDATA%\Microsoft\Skype for Desktop\*to
skype-portable.exe and then you can remove Skype from your computer.
For an upgrade, simply download and install the latest portable setup.
JavasScript must be enabled to allow the generation of dynamic download links.
Otherwise you can download directly from the releases page on GitHub.