We have a variety of Help and Support documents available on this part of the site.
Springdot Hosting customers also have an extensive support database in their hosting control panel that will probably answer your question.
I want to transfer a domain to Springdot Hosting but I'm not sure how
We have written a short guide on how to transfer your domain to us. You can find it here. Please note domains must have an "unlocked" status before they can be transferred.