Police have formally identified a 58-year-old woman who was found dead after suffering "blunt force trauma" to her head.
Joy Green, from Old Windsor in Berkshire, was discovered at a house in Church Road at 10.30pm on December 29.
A 35-year-old man from Windsor was arrested on suspicion of murder that night and later detained under the Mental Health Act.
A murder investigation by Thames Valley Police is continuing.
A post-mortem examination found the cause of death was blunt force trauma to the head.
Police said they were continuing to support the victim's family, who have asked for privacy.