Holding a Partner Visa is the primary step toward Indefinite Leave to Remain (ILR) as well as, at some point, British Citizenship. To obtain a UK Spouse Visa and enter the UK, you need to be married to or in a civil partnership with a British citizen, UK worked out person or UK refugee. Read more : https://medium.com/@onelawchamber/uk-spouse-visa-application-requirements-and-how-to-apply-4e4ac64b0b3d