This version 19.6 and the free version 19.12 should have been installed on my website. I have removed this plugin - too many problems arise after installing it. Developers are experimenting.There's something weird going on here. I have 2 sites, in one I did the procedure as mentioned above and everything worked. On the other site I did exactly the same and the premium options do not appear. The detail is that on one site I use wprocket and on the other I use litespeedcache....but on both I cleared the cache and checked via STP that everything had already been deleted really...strange
I switched to another plugin: Rank Math SEO.
But this is so - a digression.
Anyone interested can try my version of Yoast SEO Premium 19.6.
1. Before installing, you need to deactivate both versions of the plugin. Delete the free version.
2. Delete the cache of the site and browser. Optimize the Database.
3. Update and activate the Premium version via the WordPress console (Plugins - Add a new one and so on ...).
4. The free version is generated automatically.