install deno

 #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 Scoop (Windows):
scoop install deno

#Using Chocolatey (Windows):
choco install deno

#Using Homebrew (macOS):
brew install deno

#Using Cargo (Windows, macOS, Linux):
cargo install deno$iwr https://deno.land/x/install/install.ps1 -useb | iex$brew install deno$deno run https://deno.land/std/examples/welcome.ts