WELCOME.
I started with
SR- perhaps for you the Class of Sugust 2017 thread in Newcomer's
Get support- counsellor, go to AA meetings, see your doc about physical health, a counsellor about addiction, a psychologist about the past
Make a recovery plan- what to do, when and why. Lots of info in the Sticky's.
Keep a journal.
Change your lifestyle to replace booze- from the bottom (action) to how you think.
Empathy and support to you.