How to login to WinSCP and Putty?

The username and password of WinSCP and Putty are the same

Hostname can be the name of the host found in TNS or even you can use the IP Address as well and password is given by the DBA. Make sure the connection type is SSH and the port number usually gets defualted to 22. Save the credentials and login to the unix box.

To change the password using putty. You can use passwd command