In response to the coronavirus (COVID-19) situation, Microsoft is implementing several temporary changes to our training and certification program. Learn more.This exam retires on January 31, 2021 at 11:59 PM Central Time. You will no longer be able to take the exam after this date. Learn more about upcoming exam retirements.Candidates for this exam are developers with at least one year of experience programming essential business logic for a variety of application types, hardware, and software platforms using C#.Candidates should also have a thorough understanding of the following:Managing program flow and eventsAsynchronous programming and threadingData validation and working with data collections including LINQHandling errors and exceptionsWorking with arrays and collectionsWorking with variables, operators, and expressionsWorking with classes and methodsDecision and iteration statementsNote: There are exam updates effective as of December 14, 2017. To learn more about these changes and how they affect the skills measured, please download and review the Exam 483 change document.