If you're new to Sketch then check out this epic free course from Learn UX has you covered with how to get up and running and turn your designs into a prototype using Marvel.
The free course takes you through the basics of Sketch, such as artboards, typography, symbols and designing for different screen sizes.
Once you've mastered that, you'll then be taken through how to turn your designs into interactive prototypes on Marvel in just a few clicks, using our popular Sketch plugin (download here)
Head to LearnUX now and get started. Click here.