Wireframing - getting started

Hi - getting started on a wireframe by following the Figma What is wireframing? page. When I follow the suggested link at - Not a designer? Don’t worry, Figma’s wireframing and design software makes the design process feel approachable and inclusive - then go to ‘Build Your Own’ I see 1. Open Components Panel shows a component button on the bottom of the menu on the left side of the page. However, I don’t see any component button here on my screen…