In Illinois, the Secretary of State will revoke your driver's license after a DUI conviction irrespective of when that DUI conviction occurred. The next step in this process is to seek reinstatement through a formal administrative hearing before the Illinois Secretary of State. There are certain requirements before a revoked driver is eligible for a hearing. I advise that you contact an attorney to assist with this matter.
What sort of help are you looking for? You can locate attorneys in various areas of practice by clicking on the Find a Lawyer link at the top of this page. It was also suggested that you contact Tom Speedie Who handles hearings in your area.
I your question is how can you get your record expunged to remove the drunk driving convictions, then you have to look at the expungement statute for Illinois or the State you received the driving offenses.
You will need to seek reinstatement from the Secretary of State through a hearing. You should consult with an attorney who can file the paperwork you and conduct the hearing as this is a difficult process and there are specific things that the Secretary of State is looking for.