For the 20th Anniversary edition, you might be interested in official publications or fan-made content.
Cosmic dread, fanaticism, and losing your humanity to a holy war. hunter the reckoning 20th anniversary pdf link
If you are looking for digital copies of classic Hunter: The Reckoning books, the official library is hosted on DriveThruRPG. You can legally purchase and download the original core rulebooks, creed books, and supplements in PDF format. For the 20th Anniversary edition, you might be
While there isn't a "20th" book, you have two primary official paths to play The Classic Experience (1999): You can still purchase the original Hunter: The Reckoning Core Rulebook PDF on platforms like the Storytellers Vault You can legally purchase and download the original
If you are looking for a legitimate, high-quality digital copy, there is one primary destination:
An official Hunter: The Reckoning 20th Anniversary Edition (H20)
A 2020 thread on the Onyx Path Publishing forum specifically discussed the question of whether commemorative editions for Hunter, Mummy, Demon and Kindred of the East would ever be produced, noting that the "20th Anniversary edition" name had become increasingly strained across the product line.