Discord portable app made with Portapps.
A proprietary freeware VoIP application designed for gaming communities.
Download and install the latest portable setup where you want then run
App already installed
If you have already installed Discord from the original setup, do the same thing as a fresh installation and move files :
discord-portable.exe and then you can remove Discord from your computer.
For an upgrade, simply download and install the latest portable setup.
PTB (Public Test Build) portable version of Discord is available here
JavasScript must be enabled to allow the generation of dynamic download links.
Otherwise you can download directly from the releases page on GitHub.