Bring up the Extensions view by clicking on the Extensions icon in the Activity Bar on the side of VS Code or the View: Extensions command ( ⇧⌘X (Windows, Linux Ctrl+Shift+X)).
You can browse and install extensions from within VS Code. This article explains how to find, install, and manage VS Code extensions from the Visual Studio Code Marketplace. VS Code's rich extensibility model lets extension authors plug directly into the VS Code UI and contribute functionality through the same APIs used by VS Code. VS Code extensions let you add languages, debuggers, and tools to your installation to support your development workflow. The features that Visual Studio Code includes out-of-the-box are just the start. Increase the power of Visual Studio Code through Extensions