You pull up on the little tab to expose the spritz nozzle, then squeeze the center, on the circle with the little number two.
To those who are saying it's only good for a spray or two, don't give up on it so fast! "Happy" is a very strong scent - just the vapor will smell you up good enough for a whole day. I've been wearing this free sample for three days straight now, and that's after I squirted it once the evening I received it in the mail while trying to figure out how the devil that packaging worked.