specifically what issues are you having? Let us have more details and I'm sure we can help.
In basic terms this is what you have to do:
1. create the a database on your 1 1 acount.
ftp all the files and directories to your root folder of your web site using the ftp details supplied by 1 and 1
type in to Internet explorer your web address ie www.your domain.co.uk
the setup should start autoomatically