Where do I enter "domain" in remote desktop

I'm trying to connect to a remote desktop. They gave me

1. computer name
2. domain
3. username
4. password

Now where/how should I enter "domain"?

If I don't enter any, I can't connect ("your credentials are not recognized...").

Solution 1:

Enter the domain in the User Name box as domain\username or username@domain.

Solution 2:

The domain can go before the UserName to indicate what domain you are logging into.

For computer, enter the computer details they gave you.

So, for Username enter (include the backslash)

domain\username

The password is a password and you'll be prompted after you click connect!