Individuals and families as well as small business owners can explore health insurance options at HealthCare.gov, the government-run health insurance marketplace set up under the Affordable Care Act. At the site, you can create an account, apply for coverage, pick a plan, and finally, enroll.
Before you get started, check out the Marketplace Application Checklist (pdf), and find out if you can get lower costs on monthly premiums and out-of-pocket costs. Find out what Marketplace health insurance covers here.