yes
Dragonfable needs atleast Flash 8 to run.
It means you have an upgrade version, you should have an older version in order to install the upgrade version.
yes it uses the full version of flash player!
Terrakion does not have an evolved form.
yes
If you have an upgrade version you have to have one of the previous versions too. Without it upgrade will not install on your computer. Full version means that you don't have to have preinstalled older version of photoshop.
Combusken and his pre evolved version is torchic
6.60 is already an upgrade from 5.50.
6.60 is already an upgrade from 5.50.
yes
I'm not 100% clear on what you mean by "upgrade it later". There's no difference (other than price) between the Adobe's "educational license" software and the retail versions. You can't get Adobe's upgrade plan for software you buy at the special educational price, but the software itself is supposed to be identical to the full version... you don't need to upgrade it, unless a new version comes out, and even then the educational price is generally pretty similar to the cost to upgrade from the previous version.
i think so you can, you need an older version to start the upgrade process to Windows 8