Open one image from the group > Go to Action > click New Set (not need to name it, it gives name by default ) > than click New Action (see before),
Red spot appear on action window down where are the tools (like in camera recording)
Start doing what you want on picture > after you finish including Save and Close, click the black square next to the red spot.
Than go up > File > Automate > Batch > Play - set your Set and Action.
under that you have to Choose the folder where are you pics > click OK and go for a coffee
Excuse my English, it's not my native. I hope it's enough clear.