Question

what is window 7
who made it ,when , in which pace

Answer 1

Windows 7 is a major release of the Windows NT operating system developed by Microsoft. It was released to manufacturing on July 22, 2009, and became generally available on October 22, 2009.

Answer 2

Answer:

Windows 7 is a major release of the Windows NT operating system developed by Microsoft.It was released to manufacturing on July 22, 2009, and became generally available on October 22, 2009.