You must file a request for a hearing with the SOS. There are specific forms and instructions on this procedure.
You have to obtain a substance abuse evaluation, drug screen, as well as documentation of your sobriety.
The other attorneys are correct in that this is a process that, in my opinion, requires the expertise of an attorney who handles driver license restoration matters. We know what the hearing officers are looking for and try to make sure your evidence is the best it can be before we submit it for a hearing. I have advised many a client in the past to not request a hearing until we have better proofs.

To get your license back you will have to go through a demanding process. You must have long term abstinence from alcohol, and a commitment to lifetime abstinence. That means no drinking or illicit drugs, whatsoever. You must have letters of support from your friends and family that must include certain topics, you must have a professional substance abuse evaluation, do a ten panel urine test for substances, complete the Form SOS 257, and testify at a hearing. There are instructions on the Secretary of State's website, but they do not tell the whole story. It is very risky to try to do this on your own. You should locate an attorney in your area who has extensive experience in license restoration cases. If you fail, in most cases you will have to wait a year to try again. If you are successful, you will be given a restricted license, with a requirement of having a breath interlock in any vehicle you drive, for at least a year, before you have another hearing to try to get back a full license. Sincerely, Frank B. Ford

You are in a great position to file an appeal for license restoration.
It is a complex and very precise procedure.
You will complete a dec. of state provided form (SOS257), submit to a substance use evaluation (SOS258) where you will be interviewed and tested for drugs. You will need to obtain letters from friends/family that attest to your sobriety and AA attendance. Lastly, you will attend a formal hearing before an administrative law judge in Livonia.
These hearings have many unwritten "rules" and requirements.
I suggest you contact a highly qualified and experience license appeal attorney.