The Internet Archive is the most reliable source for old and rare books. You can find the classic translation by (Mumbai) here.
Original Sanskrit verses can be difficult for many. A (often with commentary by saints or modern scholars) helps: garud puran pdf marathi
However, for those who lived only for selfish desires and caused harm to others, the journey is different. Vishnu described the "Vaitarani River," a terrifying crossing filled with obstacles that mirrors the soul's own inner turmoil and past misdeeds. He explained that the soul is not punished by a vengeful god, but by the weight of its own actions. The Internet Archive is the most reliable source
