when you press the green flag, you will see 40 purple dots. hover over the dot to see which letters they correspond to. make sure there the dot is pink before you press and hold. wait a few seconds, then drag your mouse pointer to the other dot. when you are done press space for at least a second. Enter the rotor stating position. this needs to be in a,b,c with no spaces. (the commas can be any character) Enter the message if you want to send this encrypted message to a friend, make sure to send them the rotor starting position and the plug board set up
if you want to know how it works, check out this project, which is a simplified enigma. https://scratch.mit.edu/projects/411369302/ sorry if the instructions are confusing. comment if you think you can explain it better. if you want to decrypt the thumbnail the message is zrxg1honiidc3x with key c,a,t and plugboard s-c,r-a,t-h #enigma #codes #uncrackable #encrypter #derypter #machine #impossible