They're both free to access, the only requirement is that you need to be at an OCR centre as it's the exams officer which can get you an account. If you want things ASAP you can sign up for 7-day free trial and just download the resources you want :)
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If you are a home educator or a tutor, there's a request form to get an account - more info to be found here https://www.ocr.org.uk/qualifications/teach-cambridge/