1. if the installer not working for people just follow this step
  2. step 1
  3. - open the terminal and type
  4. - sudo chmod -R 777. "drag and drop the installer folder "
  5. step2
  6. - when you generate the file with a keygen you should type same thing
  7. - sudo chmod -R 777 "the keygen file "
  8. job done !

MAC INSTALLER