Some games require the "disc" (the mounted ISO) to be present every time you play.
: Think of an ISO as a "digital clone" of a disc. It includes all the game files, folders, and even the bootable data needed to start an installation. game setup dvdiso top
If you are on an older system, you may need third-party tools like or Daemon Tools . Running the Setup : Some games require the "disc" (the mounted ISO)
This creates a virtual drive in "This PC" or "File Explorer". game setup dvdiso top
: Unlike modern launchers that require an "always-online" connection, games installed via ISO typically function without an internet connection once the setup is finished.