You can download db2 client from DB2 Technical support web page. But be carfully this db2 clients are at the latest fixpack level (you need db2 run-time client). Before installing this client be sure that db2 server is at the latest fixpack lavel (execute "db2level" command on server computer). If the server version is lower than client then you must NOT install this client. Before installing you should consult the db2 administrator in your company.