Once you download the .zip or .msi file:

(critical):

Unless you have a very specific, documented need (e.g., a now‑abandoned callout pack that only works with RPH 1.70), stick with the latest stable release from the official ragepluginhook.net . The developer continues to fix crashes and improve performance. Downgrading should be a last resort, not a first instinct.

When the official hasn't updated yet, or if a player is running an older "pirated" or un-updated version of the game, they start hunting for an "old version" of the hook to match their specific game build. The "Extra Quality" Trap

: For developers or those looking for specific .dll files, older versions of the RagePluginHook NuGet package are archived online, dating back several years. Why You Might Need an Older Version