Instalacion de Jetpack en WordPress

Hi,

your installation was not completed, have you followed the document linked in the notification you mentioned?
Have a look at this page to see how to get started with Jetpack:
https://es.jetpack.com/support/empezar-a-utilizar-jetpack/

Hi, greetings and thanks for answering. I actually followed the link that I attached to this conversation, but I really don’t understand, I’m not an expert web developer; If you are so kind as to give me any indication, I appreciate it. Happy day

It’s difficult to advise without any details.
I would suggest removing Jetpack completely from your site and installing it again following these instructions (they are in Spanish):

https://es.jetpack.com/support/empezar-a-utilizar-jetpack/