- Download DLL library from this link.http://pecl.php.net/package/ssh2
 - Extracted the archive’s content and:
- placed 
php_ssh2.dllandphp_ssh2.pdbfiles in theextfolder (e.g.C:\php\ext); - copied 
libssh2.dllfile toC:\Windows\system32and (if you got Win64)C:\Windows\SysWOW64folder(s); - add or enable 
extension=php_ssh2.dllin php.ini 
 - placed