The Duolingo English Test is a Modern English proficiency test available to take online from their homewithout taking a prior appointment. This is an integrated skills testcombining Reading, Writing, Listening and Speaking. And it is assessed by Artificial Intelligence (AI).
You just need a computer/laptop with webcam, working mic and speakers, and a high speed internet connection.
Lastly, there is an unmarked interview section, which is sent to your respective institution along with your scores. It consists of one question each to be answered by speaking on it for 1-3 minutes and on writing to be answered in 3-5 minutes.