UK Residence card: https://www.gov.uk/apply-for-a-uk-residence-card
Prove your knowledge of English for Citizenship and Settling: https://www.gov.uk/english-language
Disclaimer: this information is not intended to advise on immigration issues but is simply a response to the increased interest on behalf of our students. You should contact the Home Office or the relevant authorities in your area if you have any questions on the matter.