Windows Defender
No. Windows 7 is systems software.
Yes. Windows 7 is an operating system, a type of software.
no
It is very unlikely.
Windows 7 Home Premium is one of the newest software. But it is not the best. Windows 7 Ultimate is currently the best software. You can access more things with Windows 7 Ultimate than Windows 7 Home Premium.
No, it is software
vision software
Software. An operating system, specifically.
Google currently offers the best search engine software for Windows 7 devices.
For Windows 7 or Windows Vista the best place to get an anti spyware program is from Microsoft itself. They provide a program called Microsoft Security Essentials which can be downloaded for free from their website.
Everything included(software) to run Windows 7 is in the DVD. Read up on "Operating systems" or Microsoft's "Windows Virtual PC".
No it is not.