Yes, you can. Windows XP, Windows Vista, and Windows 7 support Microsoft 2010.
No, but if you run in compatiblity mode you may be able to run the application.
No. Office 2011 is only for Mac OS X. The equivalent for Windows is Microsoft Office 2010. Microsoft Office 2010 will run on Windows XP.
Yes, it will.
Yes. As an owner of Windows 8 and Microsoft Office 2010, I can fully prove that it is possible. Also, since I know a person who happens to work for Microsoft, Microsoft Office 2013 will run on Windows 8 as well (when you plan to buy it).
Yes.
No. Microsoft Producer 2003 requires Windows 2000 or later.
When you download the launcher and run it if you can't verify the publisher just click run and then it will start. Its just windows warning you.
No, it will run in Windows 7 thou.
Most Windows computers can run Microsoft Word as long as you have a compatible version. All modern Windows computers are able to run it. All Mac computers can run Microsoft Word as long as you have the Mac version of Office installed or you have the free Libre Office installed.
A user can run any Microsoft Windows application using Mac Bootcamp.
Office 2003 will run on Windows XP.