According to smallbusiness.chron.com in order to open the Popeyes Louisiana Kitchen franchise:
Popeyes will require that you agree to build, open and operate the number of restaurant franchises determined reasonable for the territory.
Complete the request information form on the Popeyes' website and submit to Popeyes.
Make sure that you meet the minimum business requirements for opening a Popeyes franchisee. Before you can qualify for this type of franchise, you will need to prove that you have at least five years' experience in owning or operating a restaurant.
Check the financial requirements for opening a Popeyes franchise. Prior to getting involved with this franchise, you will need to be able to show that you have the appropriate amount of assets to qualify.
Getting started with a Popeyes franchise requires you to have a substantial amount of capital. Buy the appropriate business licenses and insurance for your business; your city will typically require you to carry a business license.
Hire employees for your Popeyes restaurant. Require the potential employees to fill out applications. Then check the applicants' backgrounds to make sure that they would be a good fit for your business.