Tapering is extremely difficult to do once drinking has reached a certain level. It's very easy while doing the taper to lose focus and just slip back into old habits. It takes more willpower than most people can summon.
And on the flip side, cold turkey has its dangers. Please read up and make sure you understand the risks. It's never a bad idea to ask a doctor -- they are not judgmental and can give you advice.
I'm so glad you've decided to make a positive change for yourself. Life does improve! Let us know how you plan to proceed and we'll do our best to support.