Message tells you that it’s recommended, not required https://prnt.sc/1y2s63g It’s a different thing.
Do you want to use WPBakery page builder or Elementor?
Besides one of the third-party plugins that you use hides the Install button https://prnt.sc/1y2sn3z That’s why you thought that that step is required.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.