This is a critical question. As of 2024–2025, GTA V’s current version is far beyond 1.0.877.1 (e.g., 1.0.3258.0 or higher). Using Script Hook V 1.0.877.1 on an updated game will not work—it will crash immediately.
However, if you maintain a completely separate, offline, downgraded copy of GTA V (excluding the Rockstar Launcher’s auto-update), version 1.0.877.1 is perfectly safe and stable. Many modders keep two installations: one updated for GTA Online and one legacy build (1.0.877.1) for heavy modding.
If you have deliberately downgraded your GTA V to version 1.0.877.1, or you are using a backup copy that never updated past March 2018, here is the standard installation process. Script Hook V Version 1.0.877.1
To completely remove Script Hook V 1.0.877.1:
Because this version is legacy content, official mirrors no longer host it prominently. However, archival sites and community repositories still offer it. Proceed with caution: This is a critical question
Warning: Avoid sites that require “verification surveys” or suspicious download managers. Always scan .dll files with VirusTotal before use.
Rockstar released Title Update 1.49 (also known as the Arena War part 2 update) in December 2018. This pushed the game executable to 1.0.877.1. Consequently, Script Hook V had to be updated to match. Because this version is legacy content, official mirrors
Key Features of Script Hook V 1.0.877.1:
Script Hook V Version 1.0.877.1 corresponds to GTA V game version 1.0.877.1, which was released by Rockstar in March 2018. This update was part of the Southern San Andreas Super Sport Series (SSASS), a major content drop that introduced:
For modders, however, this update was a turning point. It broke compatibility with nearly every existing script mod that relied on older versions of Script Hook V. Within days, Alexander Blade released Script Hook V 1.0.877.1 to restore functionality.