The classic tankobon format. Digital Edition: Available on Viz.com or ComiXology.

A Shonen Jump subscription is incredibly affordable (usually around $2.99/month) and gives you legal access to the entire Slam Dunk vault in high-definition digital quality.

VIZ is the official English publisher. While they don't offer the entire series for free, they occasionally provide "Free Previews" or "Chapter 1" teasers on their website or the Shonen Jump app.

He meets Haruko Akagi, who asks if he likes basketball.

Official retailers often provide a "Look Inside" or a "Free Preview" of the first few chapters.

However, here’s a :