Installing the Flutter SDK

Before you can build anything, you need to download the Flutter SDK.

On the main Flutter website at https://docs.flutter.dev/get-started/install, you’ll find the prebuilt packages for Windows, macOS, Linux, or ChromeOS—the currently supported platforms to create Flutter apps.

Figure 1.1: The Flutter installation page

Once you select your operating system, whatever your choice, you will find a section called Get the Flutter SDK. Here, you will find a compressed file (.zip for Windows and macOS, and .tar.gz for Linux and ChromeOS).

You should then create a directory for the Flutter SDK, and extract the contents of the compressed file into that directory; for instance, this could be c:\dev\flutter on a Windows machine or ~/development on other platforms.

There is another tool, called FVM (Flutter Version Management), that allows managing multiple versions of Flutter SDKs on your development machine.

If...