Several avenues unlock a trusted Shiva Purāṇa, whether craving the original Sanskrit or a reader-friendly English version.

1. Archive.org’s Treasure Trove
   A dive into archive.org reveals the Chaukhamba critical edition (seven volumes), digitized in crisp scans. These editions, collated from traditional manuscripts, stand as the scholarly “gold standard.” For anyone chasing every śloka in Devanagari, this is worth its weight in gold—and it’s free.

2. Digital Library of India & GRETIL
   India’s own Digital Library often mirrors those same Chaukhamba prints. GRETIL (Göttingen Register of Electronic Texts in Indian Languages) also hosts machine-readable Sanskrit files—perfect for researchers and tech-savvy enthusiasts wanting to run their own text analyses.

3. Sacred-Texts.com (partial but handy)
   A handful of chapters have been translated into English here, making it a convenient starting point. Not exhaustive, but great for dipping toes into Shiva’s lore before committing to a full print edition.

4. Motilal Banarsidass (Hindi with English summaries)
   J.L. Shastri’s edition pairs clear Hindi text with concise English synopses. It bridges language barriers without watering down the mystical essence—ideal for those who prefer a guided journey rather than flying solo through Sanskrit.

5. Chaukhambha Orientalia (Print Sanskrit)
   For serious students, the printed Devanagari editions from Chaukhambha Orientalia remain unmatched. Local bookstores in Varanasi or Delhi often stock these, and global retailers like Exotic India or Amazon India ship worldwide.

6. Diamond Pocket Books (English Translation)
   A seven-volume English rendition—though not as widely known as some Purāṇas—offers modern, accessible language. Check that the translator’s credentials are clearly listed to ensure authenticity.

7. University Libraries & WorldCat
   In case a personal copy feels daunting, university libraries often hold multiple recensions. A quick WorldCat search pinpoints the nearest holding, and interlibrary loan can bring a hard-to-find translation straight to one’s doorstep.

In today’s digital era, chasing down a reliable Shiva Purāṇa edition is like following the silver river downstream—plenty of tributaries, but a few key sources guide you safely to the ocean of timeless lore.