problem by changing the url to be friendly to search engines

What were you entering for the permalink structure?

I’m changing the structure in my admin panel. If I choose any that are not default and does not work.

I’m having the exact same problem and it is i think because the hosting runs on windows

The server that I have recruited in my hosting plan is a Linux server so I do not think that this could be the problem.

It could be that post that I have already created is not updated and do not change the current url with the new.

Yes, but what were you entering for the permalink structure?

I’m putting in the management option wordpress -> Settings -> Permanent links

There I go out several options and more to put the way you want to the url, for example https://www.misitio.com / title-post

So, you’re entering https://www.misitio.com / title-post in the Custom Structure field? I’m sorry, but I can’t help you without specifics.

Here is a link to the Codex on “Using Permalinks”

When I change the permalink structure to indicate custom /% postname% / and I believe an item.

When I click on the item to display it shows me the following error:

Not Found

The requested URL / proof-of-paper-with-permalink / was not found on this server.

Don’t put spaces in the structure tag like that. Use /%postname%/

I’m getting without the spaces what happens when you copy and paste it here in the forum has included me.

Sorry, I can’t understand your reply. Is it working or not?

Not working yet, still the same error.

From what I’ve been able to investigate also would have to make changes to the file .htaccess is this true.

Yes, if WordPress cannot automatically edit the .htaccess file when saving the permalink structure, it will provide manual instructions after saving.

And you could tell me what I have to add in my file. Htaccess to run the permalinks.