Yes, you need to complete forms AS1 https://www.gov.uk/government/publications/whole-of-registered-title-assent-as1 and AP1 https://www.gov.uk/government/publications/change-the-register-ap1 and send them to HM Land Registry Citizen Centre PO Box 74 Gloucester GL14 9BB....
Possibly, but I am not entirely sure as I sold my mother's house when she died last year instead of taking ownership. Try this link - I hope it helps you:-