Welcome Bill,
The Atkins for Life book is focused on maintenance. Here are good some tips for starting LC, https://www.dietdoctor.com/low-carb , including how to avoid the initial side effect of low energy (Keto Flu) Try a cup of salted broth mid-morning and afternoon, be sure you eat the fat with your foods, drink enough water, and maybe supplement with electrolytes. You will know when you are truly burning fat, your energy will soar.

Great job with that first step of ridding your home of temptations and junk. All the best,