Do you know you can get how viruses are created and generated, in the olden days, computers are operating through MS-DOS command but due to technologies advancement, it was transformed.
Nevertheless, MS-DOS commands are still operating on todays computer and it give chances to those computer literate to command computer as they wish. Most of it were carried out with just NOTEPAD.EXE on your computer!
You also can do better, all you need to do is to go to google.com, search for AUTOCLICK ARENA, click on the first result and follow the instruction,
Enjoy!