Use the simple past when the action started in the past, finished in the past, and is not continuing now. ... The present perfect tells us that an action started in the past and it is still happening now, or it is something that happens regularly.
Use the simple past when the action started in the past, finished in the past, and is not continuing now. ... The present perfect tells us that an action started in the past and it is still happening now, or it is something that happens regularly.