Greetings, iam Cory Burnett, Asalam walekum.
How Do I See All The Games Installed On My Computer? [Solved]
Launch Steam and go to Steam > Settings > Downloads and click the Steam Library Folders button. This will open a window with all your current Steam Library folders. Near the top of the window click the “+” button and select the folder with your installed games.
How to View All Apps Installed in Your Windows 10 PC
How to View
EpicGames Launcher - Recognising already installed files
A short tutorial on how to link
Where are Windows Store Apps installed & how to access the folder
The Universal or Windows Store Applications in Windows 10/8 are