After installing the component on your environment you need to complete the setup.
Remember to login using your SERVICE CENTER (developer) credentials.
1 - Configure your Module Alias Rule
Configure as
Module: wellknown
Alias: .well-known
2 - Configure your Page Rule
Confiure as
Web screen: acmechallenge
URL Pattern: /acme-challenge/{Filename}
3 - Setup your challenge data
3a - Upload your domain verification file
Create your SSL using one of the many utilities such as CertBot or SSL For Free
3b - Copy & Paste the text content
Let's Encrypt is now able to access the verification file using the URL you.domain.com/.well-known/acme-challenge/...