. "Alt + F4 is a key combination invented by Microsoft Corporation many years ago as an alternative to voluntary hardware failure, which was, up until the point, the preferred way of ending processes on an IBM machine. Alt +F4 was originally introduced in Windows BC. Its continual appearance in successive versions of the Microsoft operating systems proves that this function is unnecessary. that is a 'happy and fun way to play new games on your computer!'"@en . "Alt + F4 is a key combination invented by Microsoft Corporation many years ago as an alternative to voluntary hardware failure, which was, up until the point, the preferred way of ending processes on an IBM machine. Alt +F4 was originally introduced in Windows BC. Its continual appearance in successive versions of the Microsoft operating systems proves that this function is unnecessary. that is a 'happy and fun way to play new games on your computer!'"@en . . "Alt +F4"@en .