Hoow can i use or implement spark in my organisation /

I have download sparl_2_8_3 online

After downloading , I had fill all the details which are :- Username , Password & Domain then i went on login but it did’t login .

So , My question is that what is the exactly process of using spark in my company or registring the login id.

Spark is only a client. You need a server to connect to. You can read this guide i made to have a better understanding Very Basic Openfire + Spark Guide [EN] – /w/root