The prerequisites for using Visual Studio are listed here:

• Installing Visual Studio Code: Install the latest version of Visual Studio Code from https://code.visualstudio.com/Download.
• Installing .NET Core 2.x: The latest version of the Azure runtime, which is 2.x (at the time of writing), depends on .NET Core 2. Install this version of .NET Core from https://dotnet.microsoft.com/download.
• Installing Node.js: Install Node.js from https://docs.npmjs.com/downloading-and-installing-node-js-and-npm. This is mainly to install Node Package Manager.
• Installing Azure Functions Core Tools: Azure Functions Core Tools helps you to develop, debug, and test Azure Functions locally on development machines.
• Open the command terminal in Visual Studio Code (Ctrl + Shift + '). Run the following command to install Azure Functions Core Tools:

• Installing the Azure Function extension to Visual Studio: Install the Azure Function by searching for it in the Azure Functions extensions marketplace and restart Visual Studio Code once installed:

• Sign into an Azure account: From Visual Studio Code, you need to sign into an Azure account. Press Ctrl + Shift + P in Visual Studio Code. This opens up a command pallet. Select Azure: Sign In::