It is, take the plunge

As for the question which Linux Distribution to use: If you know any supportive Linux people in real life, ask them which Distro they use and if they'd recommend that for newbies. Or see if there's any EndOf10 place or event near you.

Mint is literally easier to get into than Windows at this point. Just follow the basic instructions and you're halfway there. After that, if you encounter any problems, you can more than likely find a solution with a simple web search and a quick copy/paste.