You should be redirected automatically to the target URL: https://oeirasinterativa.oeiras.pt/dadosabertos/dataset/a83f27b5-711c-44c2-b50e-de5b4b069b34/resource/e91f6fdc-433a-4a47-b1ba-e793b4511bdd/download/arruamentos.geojson. If not, click the link.