You may install Composer without any problems. After you may get this “You must enable the openssl extension to download files via https” error, when you are running that or else(Goto Notes).
Solution for this problem is simple. Single step. Let’s go,
Go to PHP’s php.ini file in following line:
c:\wamp\bin\php\php(version)\php.ini
In that file, find ;extension=php_openssl.dll line and enable this line by removing the semicolon (;) in front that line.
Notes:
1. This problem you will get when you are running travis-ci, skeleton or else…