在安装时输入 cmd 的命令时，帮我看看是哪里出错了

F:>cd wamp/www/laravel

F:\wamp\www\laravel>composer install

[Composer\Exception\NoSslException]
The openssl extension is required for SSL/TLS protection but is not available. If you can not enable the
openssl ex
tension, you can disable this error, at your own risk, by setting the 'disable-tls' option to true.

install [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--no-custom-installers] [--no-autoloader] [--no-scripts] [--no-progress] [--no-suggest] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--apcu-autoloader] [--ignore-platform-reqs] [--] []...

F:\wamp\www\laravel>