Download Composer Latest: v1.9.0

Windows Installer

The installer will download composer for you and set up your PATH environment variable so you can simply call composerfrom any directory.

Download and run Composer-Setup.exe - it will install the latest composer version whenever it is executed.

Command-line installation

To quickly install Composer in the current directory, run the following script in your terminal. To automate the installation, use the guide on installing Composer programmatically.

来自  https://getcomposer.org/download/