(free, runs on Mac)

I notice you've asked for an essay on the phrase This appears to refer to a classic video game title, most likely Santa Claus in Trouble (sometimes subtitled The Merry Rescue or similar), particularly its Mac OS version — with "full" meaning the full version (unlocked, complete, or cracked).

Since there is no native Mac installer, you can use these common workarounds to run the "full" Windows version on your Mac:

So Santa climbed down from the cavern and, with the Unbinder’s help, traveled to a small coastal town where a boy named Luca had stopped looking for miracles after a winter the sea had been cruel. Santa did not come with fireworks or a grand parade. He came with a simple fox toy—the very mechanical fox he had finished the week before—and a slice of warm bread wrapped in a napkin. He sat on Luca’s doorstep in the dusk and waited.

Pop.