If you do not already have StickyEmail you can sign up here for a Free StickyEmail Trial
Make sure to use the same email you have on your StickyFolios account so your email trial is connected with Folios.
Here are some links to the StickyEmail Knowedge base here:
StickyEmail Knowledge Base
How do I use sign-up codes in a Folio?
How do I edit a sign-up code?
How do I add a sign-up code to my website?