You bought an Arduino, What now?
This Arduino Simulator is different than all the other simulators. If you don’t have components like sensors, Leds..., then this program will simulate the components for you. You need a real Arduino board for testing your programs with your computer.
You can drag and drop the components in a worksheet and you can draw everything you want around it. It is also possible to load a background into the worksheet. You can also combine simulated inputs/outputs...