Inclusion Criteria:
* Male or female (of nonchildbearing potential, practicing total abstinence, sexually active with female partners only, or using allowed contraceptive methods) at least 18 years of age at time of screening.
* Screening laboratory result indicating HCV GT3 infection.
* Chronic HCV infection, defined as one of the following:
* Positive for anti-HCV antibody (Ab) or HCV RNA at least 6 months before screening; or
* A liver biopsy consistent with chronic HCV infection; or
* Abnormal alanine aminotransferase (ALT) levels for at least 6 months before screening.
* Hepatitis C virus treatment-naïve (i.e., participant had never received any anti-HCV treatment).
* Documented as noncirrhotic.
Exclusion Criteria:
* Female who was pregnant, planning to become pregnant during the study, or breastfeeding; or male whose partner was pregnant or planning to become pregnant during the study.
* Recent (within 6 months prior to study drug administration) history of drug or alcohol abuse that could have precluded adherence to the protocol in the opinion of the investigator.
* Positive test result at screening for hepatitis B surface antigen (HBsAg) or anti-human immunodeficiency virus Ab (HIV Ab).
* Hepatitis C virus genotyping performed during screening indicated co-infection with more than one HCV genotype.
* Any cause of liver disease other than chronic HCV infection.
* Consideration by the investigator, for any reason, that the participant was an unsuitable candidate to receive ABT-493/ABT-530, SOF, or DCV.
* History of severe, life-threatening, or other significant sensitivity to any excipients of the study drug.
* Previous use of any anti-HCV treatment.
