Verifing Discourse domain with Google Search Console?

So I am trying to get this setup, but I am not sure where to store the file, eg. what folder?

I’d also be happy to use this:

If anyone knows where I put the HTML Tag

HTML file upload won’t work with Discourse.

You could put the HTML tag in a Theme, under the </head> section. The “Domain name provider” option should also be workable.