Inclusion Criteria:  Age ≥ 55 years Experience of past marital bereavement (participants do not need to have been legally married) Willingness to accept help to cope with grief, psychological distress, or the psychosocial adaptation to a life without the partner Internet access and access to a computer or smartphone or tablet Fluency in Portuguese Registered in ULSBA's primary care services  Exclusion Criteria:  Severe psychological/ somatic disorders requiring immediate treatment Acute suicidality (assessed in the initial risk assessment) Marital bereavement less than one month ago Inability to follow the study's procedures due to a psychological or physical impairment (e.g., comprehension problems and visual impairment) Absent or incomplete informed consent Digital illiteracy and no family member/friend/caregiver to help