Installing Pear on Windows

Installing Pear on Windows (ZendServer CE, Xampp etc…)

php -d output_buffering=0 -d phar.require_hash=0 PEAR\go-pear.phar

or simply

php -d phar.require_hash=0 go-pear.phar

Reference
http://pear.php.net/manual/en/installation.php