Creative Suite archive
If you purchased Creative Suite 5, 5.5, or 6 from Adobe or registered your app, you may be able to download the installer for your app from your account.
To get the latest versions of your familiar apps, upgrade to Creative Cloud.
Where can I download my Creative Suite app?
Creative Suite 5, 5.5, and 6
Creative Suite 2, 3, and 4
You can no longer reinstall Creative Suite 2, 3 or 4 even if you have the original installation disks. The aging activation servers for those apps had to be retired.