Evolution is a very broad subject, but here are some links to free stuff!
https://www.coursera.org/learn/evolution-today
https://www.edx.org/course/introduction-human-evolution-wellesleyx-anth207x-1
https://www.edx.org/course/statistical-analysis-in-bioinformatics
Or the whole coursera list:
https://www.coursera.org/courses?query=evolution