Enrolling Deed Poll

Hi all,
not sure if this is the correct section to post this in but forgive me if I am wrong.

So I changed my name by deed poll last October (2017) and want to enrol my deed poll now as I cannot get my drivers license as they will only accept an enrolled deed poll.

I was just wondering what is the process for enrolling your deed poll in the high court (i.e how do you go about doing it?).

I live in county Mayo and can only travel up on one occasion this summer due to work so I need to know what I am doing, what to bring etc.

If someone who has completed this process could talk me through it I would be more than grateful and it would help me out a lot as am planning on going to Dublin next week.

A breakdown of the costs/time/documents needed would be great!
Thank you very much.