Spore works for all windows versions.
Yes, it does.
No, if it is compatible with Windows 7 Professional it will be compatible with all versions of Windows 7.
Yes, you can.
If the computer allows you to install the game; You can then browse to the location of the executable that will start the game (or a shortcut if you have one). Right click this and select "properties" then go to the "compatibility" tab and select "Run this program in compatibility mode for:" and then select Windows XP or Windows Vista. This might help your problem, although some games will remain incompatible.
Yes, unless there isn't enough space on your PC
It works, although EA does not officially support it.
If it doesn't, it because of Microsoft's stupid copy protection laws.
You can install the game on a 32 bit OS and transfer the directory structure directly to a 64 bit Windows 7 and it will run fine. It won't install on a 64 bit system because the installer is 16 bit an thus incompatible with 64 bit OS.
Just run on xp not windows 7
yes i tested my self in windows xp and windows 7 and now iplaying this game on windows 7
You can, but I would recommend using windows 7 rather than XP since some of the hardware may be incompatible with XP. Plus Windows 7 is pretty slick and fast, with much fewer problems than vista.