What are the desktop system requirements for Assassin's Creed IV Black Flag (Build 11650134)?

Assassin's Creed IV Black Flag (Build 11650134) 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 Assassin's Creed IV Black Flag (Build 11650134) 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 Assassin's Creed IV Black Flag to Build 11650134 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 Build 11650134.

Assassin's Creed IV Black Flag Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026)

Assassin's Creed IV Black Flag Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026) cover

Build 11650134

How To Install

Pre-Installed

Edition

Ubisoft Montreal

Assassin's Creed IV Black Flag Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026)

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PC 12.5 GB 2026 Published on, Oct 18, 2026 Last Updated - Nov 09, 2026 [Build 11650134]

Build 11650134

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Fix Assassin's Creed IV Black Flag (Build 11650134) 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 Publisher / Ubisoft Montreal

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Genres Action Adventure

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Assassin's Creed IV Black Flag Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026) Free Download - Game Review

Quick Game Overview & Verification Verified 100% Working

Assassin's Creed IV Black Flag Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026) is a GameApplication, Open World game for Windows / Android / iOS. This tested release features Build 11650134 with an estimated download size of 12.5 GB. Pre-installed, DRM-free, verified clean, and ready to play offline with full gamepad support.

Platform

Windows / Android / iOS

Build / Version

Build 11650134

Download Size

12.5 GB

File Integrity

SHA-256 Passed

Quick Fix for Assassin's Creed IV Black Flag Crashes & Launch Errors: Over 90% of startup crashes, missing DLL errors on Windows, and Gatekeeper prompts on macOS in Assassin's Creed IV Black Flag (Build 11650134) 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 Assassin's Creed IV Black Flag (Build 11650134)

Common Assassin's Creed IV Black Flag 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/Assassin's Creed IV Black Flag.app"` in Terminal.

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

Assassin's Creed IV Black Flag – 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 Assassin's Creed IV Black Flag (Build 11650134), check these default desktop directories:

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

Release Metadata Summary – Assassin's Creed IV Black Flag

Title / Package: Assassin's Creed IV Black Flag
Verified Build Version: Build 11650134
Archive Size: 12.5 GB
Category: GameApplication, Open World
Target Desktop OS: Windows 10/11 (64-bit) & macOS Desktop (Apple Silicon M1/M2/M3/M4 & Intel)
Primary Download Hub: Download Assassin's Creed IV Black Flag (Build 11650134) Full Desktop Build

Frequently Asked Questions – Assassin's Creed IV Black Flag (Build 11650134)

Is Assassin's Creed IV Black Flag completely free?

Yes, this download is offered free of charge. The original game is a paid Ubisoft title, but this page provides a free build for evaluation. Support the developers by purchasing the game on Steam if you enjoy it.

How do I install Assassin's Creed IV Black Flag?

Extract the 12.5 GB archive into an antivirus-excluded folder using 7-Zip (WinRAR may cause errors). Open the Redist or _CommonRedist folder and install the required apps. Then run AC4BFSP.exe as administrator from the game folder.

What version is this and is it up to date?

This is Build 11650134, which matches the latest Steam build. The last Steam update was July 20, 2023, and the version is confirmed up to date as of the last check.

Why do I get an MSVCR100.dll or 0xc000007b error?

These errors usually mean missing Visual C++ redistributables. Install both x86 and x64 versions from the Redist folder inside the game files, then run the game as administrator.

Does this build include multiplayer?

No, multiplayer is not available in this build. The single-player campaign is fully playable, but AC4BFMP.exe may show a system error because the online servers are no longer active.

Game Screenshots Gallery

Assassin's Creed IV Black Flag Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026) screenshot 1

Assassin's Creed IV Black Flag Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026) screenshot 2

Assassin's Creed IV Black Flag Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026) screenshot 3

Assassin's Creed IV Black Flag Crash on Startup, Missing DLL, Gatekeeper & Launch Error Fix (2026) screenshot 4

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.