If you're on a Team plan, check out this Knowledge Base article: How do I create a prototype on a team plan?
Once you have your wireframes ready, you can create a prototype.
To create a prototype:
- Sign in to your account and navigate to the Projects page.
- To the right of the page, click the pink + button.
- Click Create New Prototype.
- Add a prototype name and then select your project type.
- Click Next.
You can now start uploading your screens.