first of all start the command line from windows: click “start” and then “run”; now type “cmd” and press the enter key.
type “pear install <packagename>” (where<packagename> is the name of the package you want to install)
if the above one does not work, manually download the package from the website and got to that directory that contains the downloaded package.
and type “pear install <packagename>”(where<packagename> is the name of the downloaded package)
