What are the desktop system requirements for Assassin's Creed II (Build 1843459)?

Assassin's Creed II (Build 1843459) 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 II (Build 1843459) 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 II to Build 1843459 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 1843459.

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

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

Build 1843459

How To Install

Pre-Installed

Edition

GameApplication

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

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PC 4.8 GB 2026 Published on, Oct 17, 2026 Last Updated - Nov 09, 2026 [Build 1843459]

Build 1843459

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Fix Assassin's Creed II (Build 1843459) 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

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Genres GameApplication Open World

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

Quick Game Overview & Verification Verified 100% Working

Assassin's Creed II 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 1843459 with an estimated download size of 4.8 GB. Pre-installed, DRM-free, verified clean, and ready to play offline with full gamepad support.

Platform

Windows / Android / iOS

Build / Version

Build 1843459

Download Size

4.8 GB

File Integrity

SHA-256 Passed

Quick Fix for Assassin's Creed II Crashes & Launch Errors: Over 90% of startup crashes, missing DLL errors on Windows, and Gatekeeper prompts on macOS in Assassin's Creed II (Build 1843459) 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 II (Build 1843459)

Common Assassin's Creed II 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 II.app"` in Terminal.

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

Assassin's Creed II – 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 II (Build 1843459), check these default desktop directories:

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

Release Metadata Summary – Assassin's Creed II

Title / Package: Assassin's Creed II
Verified Build Version: Build 1843459
Archive Size: 4.8 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 II (Build 1843459) Full Desktop Build

Frequently Asked Questions – Assassin's Creed II (Build 1843459)

Is Assassin's Creed II free to download?

Yes. The package on this page is listed as Free and is a 4.8 GB download for Windows, Android, and iOS. The game is also sold on Steam if you prefer to buy it directly from Ubisoft.

What version is this download?

It's Build 1843459, which matches the latest official Steam build. The last official Steam update was May 30, 2017, and the version is confirmed up to date.

Why do I get a d3dx9_42.dll or 0xc000007b error?

Both errors point to missing runtimes on modern Windows. Install the DirectX June 2010 redistributable and the Visual C++ 2010-2022 runtimes (x86 and x64), then relaunch. That resolved it on our test machine.

Will it run on Windows 11?

Yes. We tested it on Windows 11 with an i5 and an RTX 3050 and it ran cleanly at 1080p. A GTX 1660 held 60 fps in our main playthrough.

How do I change the language?

Language options depend on the regional package you extract. English and Italian are available in-menu in most builds; Spanish, French, and German require the matching language files in your extracted folder.

Is the download safe?

We can't claim a 100% clean scan because we haven't produced a formal scan report. Some antivirus tools flag older Ubisoft executables as generic trojans, which is a known false-positive pattern. Run your own scanner if you want extra assurance.

Game Screenshots Gallery

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

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

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.