I suffered a hardware failure on my PC, and have moved to an iMac. I own Adobe creative Suite 4 for Windows. Can I transfer the license to my new iMAC without the huge expense of buying a new license?

I suffered a hardware failure on my Dell desktop PC, and have moved to iMac.  I own Adobe creative Suite 4 Design Premium for Windows.  Can I transfer the license to my new iMAC without the huge expense of buying a new license or purchasing a month to month option?