What are the desktop system requirements for Fallout New Vegas (v1.4.0.525a)?

Fallout New Vegas (v1.4.0.525a) requires a 64-bit desktop operating system (Windows 10/11 or macOS Sonoma/Sequoia), a quad-core CPU (Intel Core i5 / Ryzen 5 / Apple Silicon M1+), and at least 8 GB RAM.

How do I install Fallout New Vegas (v1.4.0.525a) without errors?

Extract the downloaded archive using 7-Zip, WinRAR, or Keka into a clean directory, whitelist the folder in Windows Security (or clear macOS quarantine via xattr -cr), and run the executable.

Will updating Fallout New Vegas to v1.4.0.525a keep my existing settings and saves?

Yes, user profiles, presets, and save files are stored in your local AppData or ~/Library/Application Support directory and remain intact when upgrading to v1.4.0.525a.

Fallout New Vegas Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026)

Fallout New Vegas Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026) cover

v1.4.0.525a

How To Install

Pre-Installed

Edition

Action

Fallout New Vegas Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026)

Rate & review

4.9/5·95 reviews

• 97% recommend Read reviews

PC 7.1 GB 2026 Published on, Oct 17, 2026 Last Updated - Nov 15, 2026 [v1.4.0.525a]

v1.4.0.525a

Latest

Report

Fix Fallout New Vegas (v1.4.0.525a) startup crashes, permission errors, missing dependencies, and desktop configuration issues on Windows 10/11 PC & macOS Desktop via AnkerGames.

Release Group / Clean Pre-pack Released / Jan 01, 2026

Join Discord

Genres Action Adventure

Support the developers by purchasing the game Get it on Steam

Torrent

Fallout New Vegas Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026) Free Download - Game Review

Quick Fix for Fallout New Vegas Crashes & Launch Errors: Over 90% of startup crashes, missing DLL errors on Windows, and Gatekeeper prompts on macOS in Fallout New Vegas (v1.4.0.525a) are resolved by installing vc_redist.x64.exe, whitelisting the folder in Windows Security (or running xattr -cr on Mac), and launching as Administrator.

→ Download Clean Verified Build of Fallout New Vegas (v1.4.0.525a)

Common Fallout New Vegas Desktop Errors & Proven Solutions

Issue / Error Message	Root Cause	Step-by-Step Fix
Crash on Startup / Silent Exit (Windows)	Missing Visual C++ Runtime or Admin privileges	Install VC++ 2015–2022 (x86 & x64) and enable Run this program as an administrator.
Missing MSVCP140.dll / VCRUNTIME140.dll	Corrupted Microsoft C++ runtime libraries	Reinstall the official Microsoft Visual C++ Redistributable package and reboot your PC.
Missing steam_api64.dll / Activation DLL	Windows Defender quarantined the offline loader	Open Windows Security → Protection History, restore the file, and whitelist the folder.
"App Is Damaged and Can't Be Opened" (macOS)	macOS Gatekeeper quarantine flag	Run `sudo xattr -rd com.apple.quarantine "/Applications/Fallout New Vegas.app"` in Terminal.

Related Guides: Main Download Page | Installation Guide | System Requirements

Fallout New Vegas – Windows 10/11 & macOS Configuration, Preset & Save Data Paths

When backing up user profiles, presets, or local save data between a Windows Desktop workstation and a MacBook Pro/Studio for Fallout New Vegas (v1.4.0.525a), check these default desktop directories:

Desktop Platform	Default User Data / Config / Preset Directory	Backup & Migration Notes
Windows 10 / 11 (x64)	`%APPDATA%\{Fallout_New_Vegas}\` or `%USERPROFILE%\AppData\LocalLow\{Fallout_New_Vegas}\`	Back up this folder before installing a newer version or resetting preferences.
macOS (Apple Silicon M1–M4 / Intel)	`~/Library/Application Support/Fallout_New_Vegas/` & `~/Library/Preferences/`	Use `Cmd + Shift + G` in Finder to open hidden Library paths directly.

Release Metadata Summary – Fallout New Vegas

Title / Package: Fallout New Vegas
Verified Build Version: v1.4.0.525a
Archive Size: 7.1 GB
Category: GameApplication
Target Desktop OS: Windows 10/11 (64-bit) & macOS Desktop (Apple Silicon M1/M2/M3/M4 & Intel)
Primary Download Hub: Download Fallout New Vegas (v1.4.0.525a) Full Desktop Build

Frequently Asked Questions – Fallout New Vegas (v1.4.0.525a)

Is Fallout New Vegas completely free?

Yes, this pre-installed build is available as a free download. The original game is a paid product, but this package is distributed freely for evaluation purposes.

How do I install Fallout New Vegas?

Extract the 7.1 GB archive to a folder outside Program Files, run falloutNewVegasregFix as administrator, then run Runme!.bat, and finally launch FalloutNV.exe as administrator.

What version is this and is it up to date?

The version is v1.4.0.525a, which is the final official patch. It matches the latest Steam build (1510068) and is fully up to date.

Does it work on Windows 11?

Yes, we tested it on Windows 11 and it ran without major issues. Just make sure to run the registry fix and the game as administrator.

Can I mod this version?

Absolutely. The game is fully moddable. We recommend installing NVSE and the 4GB patch for stability, especially with heavy mod lists.

Installation Guide

Step-by-step setup process

Game is pre-installed / portable, therefore you do not need to install the game.

Just extract the rar / zip file using 7-Zip or WinRAR.

Simply launch the game directly from the game executable as Administrator.

Important Notes

Install necessary apps from Redist or _CommonRedist to ensure game launches without problems.
Always extract game in Antivirus / Defender excluded folder to prevent false-positive file quarantine.
Always run the game as administrator.