It's easy...
01 Choose your Open EdX site name and colors

02 Upload your logo

03 Your site is ready in 30 minutes!

What can you do with the trial?
Besides some things that require extra setup like certificates or eCommerce, you get full access to everything in Open EdX. Create new courses, enroll students, invite a team to work on a course with you. The trial is active for 30 days, and there is no credit card or subscription involved