Step 1: install xfce Desktop
CentOS 7: how to install xfce Desktop
Step 2:
Download Photoshop CS6 setup file and key to folder Downloads
Step 3: open xfce terminal then run command wine setup.exe
in folder Downloads. Do some steps to install photoshop (use key in file License Key.txt):
Done! Now you can see icon Photoshop on your Desktop