FCEUX is a NES emulator, the Nintendo Entertainment System. It offers a number of features and settings that allow you to customize the gameplay quality to suit your needs. You can also deliberately adjust the effects to the capabilities of equipment from the console's glory years.

It's very easy to use, so every Super Mario fan will be able to spend a few moments with their favorite games from childhood. Operation of the application can only boil down to loading the ROM file with the game (you have to take care of it yourself) and start playing. More inquisitive users, however, will be able to take advantage of a number of options to customize control, graphics, sound, hardware acceleration and other parameters.

A curiosity is the built-in tools that are not directly related to the game, but that make the general reception of the program more pleasant, for example the option of taking screenshots to share them with friends. After unpacking the archive file, the program does not require installation.