If you are installing Deno for the first time, you can use one of the methods listed below: # Using Shell (macOS and Linux): curl -fsSL https://deno.land/x/install/install.sh | sh # Using PowerShell (Windows): iwr https://deno.land/x/install/install.ps1 -useb | iex # Using Homebrew (macOS): brew install deno # Using Scoop (Windows): scoop install deno # Using Chocolatey (Windows): choco install de