Based on these specs, can I run CFS3 and/or CFS2 ?

I have searched and read posts where people say CFS3 and CFS2 installs and runs properly on their Vista... and just as many that say it does not work properly on their Vista.
Flight Simulator and other chat
https://forums.simviation.com/phpBB3/
https://forums.simviation.com/phpBB3/viewtopic.php?f=6&t=21751
And i would consider a downgrade to win Xp pro, because vist is a Cpu and RAM hog