What should we do need help

[nom_anwa]

Hi to all immigration board and john.
Finally i,m in netherland and me and my wife disscuss about moving to uk she agreed with me. next week we are going to uk as i said before i have visit visa for nl and uk both. so we decided that she gonna move to uk and then we gonna complete the documents what we need then i gonna apply eea fp from isb is it good idea?
my question is that once we reach in uk.
where and what we need to do.
where to rigester?

when and how we can open bank acount?
what kind documents we need for our file?
what other thing will be help full when i,ll apply for eeafp at isb?
we are really thank full and appriceate for your help.