188 how long does it take to immigrate to Australia?

188C immigrant visa, immigration period: March-April, no age limit, no English requirement, no score; No business background requirements; Proof of legal possession of 5 million Australian dollars (can be a gift); After the approval of the principle, invest 5 million Australian dollars in the specified fund within the specified time limit for a period of 4 years; Within 4 years, the principal applicant has lived in Australia 160 days or the spouse has lived in Australia for 720 days.