Creative Suite applications are not supported on macOS 10.12 (Sierra) and therefore, many of the Creative Suite installers may not function normally on macOS 10.12. See the information below for available workarounds to install Creative Suite applications under macOS 10.12.
For a list of system requirements, and tested operating systems, see System requirements | Master Collection.
A terminal window opens and initializes the installer. You are given the option to install in trial mode, utilize a serial number, or verify a Creative Cloud membership.