The main objective of the article are: .Net 6 Web API And React (V18) Application Communication Install SQL Server And SQL Management Studio Create A SQL Database Create A SQL Database Table .Net6 Web API And React(V18) Application Communication: User requests the React JS application(single page application) then js files are downloaded and then runs the app on the browser. Since React JS is a single-page application, it depends on API for data to display. API runs at the server that gives JSON response. API communicates with the database for fetching the data. Install The SQL Server And SQL Management Studio: First, install the SQL server on our local machine. So go to "https://www.microsoft.com/en-in/sql-server/sql-server-downloads" and then install the developer version which is accessible and fully functional. Next, install the SSMS(SQL Server Management Studio) IDE at "https://docs.microsoft.com/en-us/sql/ssms/download-sql-server-management-studio-ssms?view=sql-