Python is one such program that does this, and Discord will also install to a user's AppData. Additionally, there are three subfolders in AppData, and their differences are important to note.

use third-party software uninstaller), clear Discord AppData folder contents, reboot PC, and then download and reinstall the latest version of Discord app on your Windows 10/11 PC. To clear/delete ...

Thus, you need to locate Discord’s AppData location on a Windows PC. As it keeps every image, GIF, and video from the servers and friends you are linked with, you might need to delete them.