Play the games that you download from Retro Recall on virtual systems available from a number of independent developers. This software simulates the original console or computer the games were originally developed for. This will allow you to load the game file into the software to play it in its original form.
The main advantage of playing retro games this way is the flexibility to play how you want. There’s a wide range of virtual systems available for many different formats and devices, each with their own features and options.