To use PuTTY to connect to your server via SSH, perform the following steps:
Step 1: Download and install the PuTTY client http://www.putty.org/
Step 2: From the Windows Start menu, open the client.
Step 3: In the Session interface, enter the hostname or IP address of the server in the Host Name (or IP address) text box.
Step 4: Enter the Port number in the Port text box.
Note: Make certain that you select the SSH protocol.
Step 5: Click Open.
Step 6: Enter root as the login name.
Step 7: Enter the root password.