dreamweaver

i finally made the move from pc to mac. i have been using dreamweaver cs4 on the pc. I read that dreamweaver will run on mac but not sure how to go about it. I don't see a specific adobe dreamweaver for mac. the disk i used to install dreamweaver says its for windows though i have not attempted to load it on the mac. so assuming dreamweaver runs on mac how do i go about loading it. do i need to purchase new software or will the software i have work. thanks.