Need help with an my interactive buttons

I’m having trouble with my design I’m trying to use my back button to go back and make a button clickable to move forward to my next design interaction. can anyone help?

Unless you’re talking about some plugin in FigJam, it seems like you’re looking for help with prototypes in Figma.

Here’s some info on the topic: https://help.figma.com/hc/en-us/articles/360040314193-Guide-to-prototyping-in-Figma