Adobe CS5.5 Master Collection. This includes a full retail perpetual license number. So once activated it will never expire or stop working. This particular listing is for the Mac version, but please contact me if you need the Windows version.Mac: Mac OS High Sierra and below. (Please contact me if running Mojave).
Windows: Windows 11 and below. Please contact me if you would like to upgrade to the CS6 version as I have a few options remaining.