Basically, find the game folder on the new PC where EGS started to download the files, and look for an ".egstore" folder, and then within that should be an "Installation" folder.

To download files from Dropbox, you'll need to open Dropbox in an internet browser and find the file you want.

Here's how you can export and download your game saves from your Stadia account to use on Steam or Epic Games on PC/Mac or GeForce NOW.