Help with user reg pack

Guys please help me with this, i been trying to set this up for so long and i am still lost I asked a few people for help but no one can understand the instructions..

Here is where i get stuck

Instructions tell me that using MYSQL QUERY Browser I need to connects to mysql server ... which i do
Then next is a problem..... next bit is confusingll!
From the Schemata panel select the database you intend to add?????what database?
It does not say?
Yes I know what I want in my website I want user log in and register box ,,, but no I don’t know what I need to do here nor what to select here in schemata panel to get that

itried cuple of random things but it all resulted in error ...
I do understand all bits after wards but this one is the problem
I know that I am afterwards supposed to open that user.sql script provided in database and open it as script and execute it ....

but in my Schemata panel i have over 100 of things ??????

But there is no example in instructions, what to select in this case ... this part is extremely wage

please help me

I also do understand that i need to open that user.sql file after that in text editor and copy it and then in my php admin paste it to sql script tab

Please help me with executing part
Thanks in advance