Task: make a gif
Assumptions:
Make a gif in photoshop.
Steps:
Upload the images to photoshop.
Open the timeline window.
Select create frame animation.
Create a new layer for each new frame.
Select the make frames from layers from the menu by clicking the same menu icon on the right.
Choose how often you want it to loop at the bottom of the toolbar.
Press the play icon to see the gif in action.
Save the gif.
Export the gif.