You would have to send a completed Application for Permit, driver license or non-driver ID card.
Did you apply to have the Veteran Indicator added to your license, permit or non-driver ID and charged a document fee?
No, I was not charged a document fee.
What if I want to change my standard license to a REAL ID while adding my veteran status?
You would have to come into a DMV office for that change.
Is there any guides that could help me for what I need to bring with me to DMV office?
Yes this guide will help you with the proofs of identification you need and also bring your proof of honorable discharge original or photocopies.
What type of discharge form do I need if discharged before January 1, 1950?
You would need an Honorable Discharge form WD AGO 53, 55, 53-55, or NAVPERS 553, or NAVMC 78PD or NAVCG553, or Enlisted Seperation Paper.
How do I find my proofs?