Raspberry Pi 2 and PuTTy - can't connect, error: Connection refused

Hello

I wanted to connect my printer to Raspberry Pi 2 using a CUPS server. There are a lot of tutorials on the internet, how you can do it, I chose the configuration through the PuTTy program and here the error crashes right from the start and I can't go any further.

I uploaded the "RASPBIAN JESSIE LITE" SD card, connected the Raspberry to my router, the router displays the IP of my Raspberry, I entered this IP in PuTTy and immediately crashes like "Network error: Connection refused" and after playing.

My router is: Netgear DG834G

What am I doing wrong? Connecting the monitor to HDMI, the system loads properly and you can log in using the login "pi" and password "raspberry", but for nothing I can get from an external computer to the raspberry.

I'm a little green in it because I've been Raspberry for half a year, but I've never had time to play with it. Everything I wrote above I do in the same network. I don't know how to check these packages etc. I would like to ask for some more info.

Added after 45 [minutes]:

After entering the IP from Raspberry in CMD:

@Towr You must enable SSH connections on your Raspberry Pi. There is a nice tool on the raspberry for this:

grko thank you very much Now it is working

I know that for some things can be so simple and obvious that the question about them in the forums is a slight exaggeration. Uncle google, of course, I was looking for before I started this topic, but as it usually happens with me - if I'm looking for something, I can never find it, and if I don't need it, it is found

Thank you again for your help and any links.
I close the topic.