To use Elementor Pro on your WordPress website you need:
Below is a transcript from the video with all the steps you need to install Elementor Pro.
Okay to install the Elementor Pro plugin you have to install the free plugin first so we can do that now.
Go to your WordPress dashboard and go to Plugins > Add new and type in elementor in the search box you’ll find Elementor Website Builder click on Install Now and Activate and you’ll see Elementor on the side here and it’s been installed on your website.
The next thing we’re going to do is get your Elementor Pro plugin so you’ll have to go to Elementor. Go to My account click Download plugin.
Go back to your WordPress dashboard and in the plugins go Add New again. This time we can upload the plugin so get the zip file you’ve gotten from Elementor and click Install now.
And then click Activate plugin then you want to activate your license of Elementor pro so click Connect and activate (you need to be signed in click activate) and now you have Elementor Pro all installed on your website.