This is Issue on Adobe Photoshop CC 2015 Installation has been encountered Using a Mac OS X 10.12 Sierra Beta Release…
To Successfully Run the Photoshop Installer You’ll have to Make use of the Terminal Shell emulator.
-
Open a Terminal Shell Emulator
Applications > Utilities > Terminal
(Press “Enter” to Execute Commands)
- Run Installer by Shell
cd /Volumes/Adobe\ Photoshop\ CC\ 2015\ 1/Adobe\ Photoshop\ CC\ 2015/Install.app/Contents/MacOS
./Install