Since all meals are fully cooked, there is a minimal amount of time you need to prepare for enjoying.
The individual servings come in microwaveable containers; so, all you need to do is remove/loosely open the lid and pop the meal into your microwave. Since all microwaves are different, set the time to heat according to your particular unit. A suggestion would be to start at 2 minutes on high and then check if it is warm enough. *Don't forget to remove the fresh salad, if applicable, before you heat.
If you have ordered Family Style meals and want to heat all the servings at once, treat them like "Thanksgiving leftovers" and use your oven to heat them up. Here are a couple of sites with reheating suggestions: