You can download the Putty version for Windows here:
After downloading Putty, you are able to setup a connection from your local desktop to your server via SSH.
This is more secure then Telnet.
Within Putty, enter your the IP-address of your server.
You can enter it with a valid username and password, like admin or root.
If you are local desktop is in the same LAN as your server use IP address 18.104.22.168 in Putty.
If you want to establish a SSH connection from outside (Internet) use the external IP address of the network, which also contains your server.
If your server is behind a Router. make sure that port 22 is open and forwarded to your server within your LAN.