Which of the following is not an application software?

مندرجہ ذیل میں سے کون سا ایپلیکیشن سافٹ ویئر نہیں ہے؟

WinWord XP

Page Maker

Windows NT

None of these

Windows NT is a proprietary graphical operating system produced by Microsoft.

It is the first version of which was released on July 27, 1993.