RetroAchievements is a system that allows you to earn achievements on retro games. This is very similar to Steam successes.
Select RETROACHIEVEMENT SETTINGS
Enable the service
Enter your Retroachievement login and password
The system indexes your game and a message appears
You can rerun the indexing process from this menu or let the system perform the indexing process at each startup
Games that support RetroAchievements have a small trophy icon
in the Game View