Yes.
Absolutely ! I've been using OpenOffice on this Windows 7 computer ever since I bought it. It works perfectly.
Yes - Open Office will work with Windows 7.
No. When attempted to install, the installer will display the message "this version is not compatible with Windows CE".
No reason why not - providing the document was saved in a format OpenOffice can read. Windows 7 is the operating system - OpenOffice is a program.
No, if it is compatible with Windows 7 Professional it will be compatible with all versions of Windows 7.
no
Yes.
yes, from windows XP to windows 7, but only windows!
Yes, Flight Simulator X is compatible with Windows 7.
Yes, Microsoft Office 2003 is compatible with Windows 7.
Counter Strike Deleted Scenes should be compatible with Windows 7.
Yes, Windows Live Messenger 2009 is XP, Vista and 7 compatible.