I\'ve read the global installation documentation for Composer, but it\'s for *nix systems only:
curl -s https://ge
Start > Computer : Properties > Change Settings > Advanced > Environment Variables > PATH : Edit [add this string (without "") at the end of line ";C:\<path to php folder>\php5.5.3"].. open cmd and type composer thats it :-)
";C:\<path to php folder>\php5.5.3"