Hi magpiejoe08
The short answer is NO, you do not get Pension Credit automatically you have to apply for it;
www.gov.uk/pension-credit Pension Credit is means tested and a number of factors are taken into consideration, you need to contact your local Welfare Rights Organisation who can take all your circumstances into consideration; you can find your local Welfare Rights Organisation to help you with advice by clicking on the link below and putting in your post code, it will then come up with a MAP with a list of agencies.
advicelocal.uk Gary