Unfortunately, no.
Warning: When buying windows 7, be sure to buy the "FULL" edition not "Upgrade"
Microsoft produce a version of Office for the Mac (See links below) which works with Mac OS X. If you want to run the Windows version of Office then you will need Windows installed on the Mac.
Yes, you need to install Windows 7 onto Bootcamp (which comes free with the mac) or parallels, which you can buy. Then you can boot into Windows 7 or Mac OS X.
You can't unless you already own a copy of Windows which you can install on your Mac. The Beta version of Windows 7 (See links below) is available free until August 20, 2009 and will work normally until March 2010 when you will need to buy a copy to continue using it.
Not legally. No release version of Windows is made available free of charge, and the beta period for Windows 7 has ended.
The Windows 7 RC is available for free download at Microsoft's website (see Related Links). However, the RC happens to expire June 2010, and will require you to purchase a full version of Windows afterwords. There is no way to obtain a free version of Windows 7 legally.
Yes, if you purchase the Mac-compatible version of the software. You must choose either the Mac or Windows version before you buy it.
There is a trial which is free, but the actual version will cost you. However, it is a lot cheaper than Windows 7, and is even cheaper is you upgrade from Windows 7.
Windows 7 is the latest version of Windows. There is no Windows 9 and of course no Windows 10.
Windows 7 is an operating system. A Mac is a computer. A Mac can run Windows 7. The two things are not comparable.
Windows 10 will not be free. You can upgrade to Windows 10 for free if you're running Windows 7 or Windows 8.1, but you'll need to pay for a license if you're running an older version of Windows or if you're upgrading from a free version of Windows 10. You can buy windows 10 be free from: Microprokey
Windows 7 will work on a recent Mac (See links below).
Um...Windows is an Operating system...not a program. you'd have to install Windows separate from Mac on a separate partition or hard drive. It is also illegal to get it free, it's a paid program. Piracy is stealing. Hope this helps