The Indefinite Leave to Remain ILR Visa UK signifies a migrant's permanent residency status. Obtaining ILR allows individuals to live, work, and study in the UK without any immigration restrictions. To qualify for ILR, applicants typically need to meet specific residency requirements, demonstrate good character, and pass relevant language and knowledge tests. ILR holders enjoy access to public funds and can apply for British citizenship after a certain period. It's a significant milestone for those looking to settle permanently in the UK.