"IDE" stands for "integrated development environment". It is a text editor (like Notepad or Word) with additional features useful for programming. "Integrated" means it combines together various features.
Some of the popular IDEs are: Visual Studio Code, Visual Studio (don't confuse the two!), CLion, Xcode, etc.
We will be installing Visual Studio Code (aka "VSC" or "VSCode"). (Why not Visual Studio?)
- Download the installer from https://code.visualstudio.com/ and install.
Don't install any extensions VSC suggests to you yet, we'll get to that later.
Follow those steps in order: