You should be redirected automatically to the target URL: https://oeirasinterativa.oeiras.pt/dadosabertos/dataset/4389462f-255a-40bd-a659-75947a3961de/resource/49cc7784-026f-4ddb-beb1-fa2c9c810e73/download/recolha_residuos_oleao.geojson. If not, click the link.