CS6 was designed for much older hardware and operating systems. Before attempting a download, verify your Mac's compatibility. Adobe Help Center Creative Suite 6 system requirements - Adobe Help Center
: If you previously purchased CS6 directly from Adobe or registered your product, the installer may still be available under the "Order History" or "Registered Products" section of your Adobe Account . adobe creative suite 6 design standard mac download
: If you have the original DVDs, you can install the suite from the discs. You will still need your valid 24-digit serial number for activation. CS6 was designed for much older hardware and