If you want the experience of reading DBZ Volume 1 on your screen without the guilt (or the viruses), there is a fantastic official solution.
The volume kicks off with "The Arrival of Raditz." A mysterious alien lands on Earth, looking for a warrior named "Kakarot." This alien is Raditz, Goku's long-lost brother. He reveals a truth that shatters Goku's world: Goku is actually a Saiyan, a race of alien warriors, sent to Earth as a baby to destroy it. dragon ball z manga volume 1 pdf
You can read the Dragon Ball Z manga volume 1 through official sources like VIZ Media / Shonen Jump or MANGA Plus by SHUEISHA . If you want the experience of reading DBZ