You can qualify for a Discover it Chrome pre-approval if your credit score and other financial information match the issuer's criteria for offering you one. If the issuer considers you eligible, it will send you a pre-approved letter.
You can also check if you pre-qualify for Discover it Chrome on Discover's website. Filling out their pre-qualification form won't affect your credit score, but won't guarantee your approval either. If you decide to actually apply for Discover it Chrome, it will...