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Starfield Script Extender

sfse.silverlock.org

Free plan Windows
Visit sfse.silverlock.org
Spec score 7.2 #20 of 26 in Game Mod Loaders

What it is

Starfield Script Extender (SFSE) adds scripting capabilities and other functionality to Starfield on Windows. It supports only the latest Starfield version available through Steam; the Windows Store and Game Pass editions are excluded. The official site lists build 0.2.21 for Starfield version 1.16.244. SFSE supports plugin loading by injection, with a plugin manager, a Scaleform menu plugin interface and preliminary support for custom Papyrus native functions listed in its changelog. Updates to Starfield have sometimes required plugins to be recompiled or their compatibility data changed. Installation uses Steam or the installer, followed by copying the DLL and EXE files into the Starfield folder rather than its Data folder. The game must then start through sfse_loader.exe. SFSE components use a code signature intended to reduce virus-scanner false positives. The software is free, with a listed plan price of free.

Spec sheet

Purpose
SFSE adds additional scripting capabilities and functionality to Starfield.Read 8 Oct 2026 · nexusmods.com
Code signature
The changelog says SFSE components use a code signature to reduce virus scanner false positives.Read 8 Oct 2026 · nexusmods.com
Current build
The official site lists build 0.2.21 for Starfield game version 1.16.244.Read 8 Oct 2026 · sfse.silverlock.org
Distribution restriction
The Nexus Mods listing says uploading the file to other sites is not allowed.Read 8 Oct 2026 · nexusmods.com
Installation
The official site says to install via Steam or use the installer, and warns against using anything from the Windows App Store.Read 8 Oct 2026 · sfse.silverlock.org
Installation location
The installation instructions say to copy the DLL and EXE files into the Starfield folder, not its Data folder.Read 8 Oct 2026 · nexusmods.com
Launch requirement
After installation, the game must be launched using sfse_loader.exe.Read 8 Oct 2026 · nexusmods.com
Plugin compatibility
The changelog says some game updates have required plugins to be recompiled or to update their compatibility data.Read 8 Oct 2026 · nexusmods.com
Plugin features
The changelog lists a plugin manager, a Scaleform menu plugin interface, and preliminary support for custom Papyrus native functions.Read 8 Oct 2026 · nexusmods.com
Support contact
The SFSE site provides a team email address at [email protected].Read 8 Oct 2026 · sfse.silverlock.org
Supported game version
SFSE supports the latest version of Starfield available on Steam, and only that version.Read 8 Oct 2026 · sfse.silverlock.org
Unsupported editions
SFSE does not support the Windows Store or Game Pass release of Starfield.Read 8 Oct 2026 · sfse.silverlock.org
Warranty
The official site provides an as-is disclaimer and disclaims express and implied warranties.Read 8 Oct 2026 · sfse.silverlock.org

Plans and prices

Starfield Script Extender (SFSE) Free Supports the latest Steam version of Starfield only · Windows Store/Game Pass release not supported Read 8 Oct 2026 · sfse.silverlock.org

Every Starfield Script Extender plan and price →

Strong points and limits

Strong points

  • Free plan listed at free
  • Adds scripting capabilities to Starfield
  • Plugin manager and plugin interfaces included
  • Supports latest Steam version
  • Code signature targets scanner false positives

Limits

  • Windows Store and Game Pass unsupported
  • Only the latest Steam version is supported
  • Plugins may need updates after game changes
  • Requires launching through sfse_loader.exe

Who it suits

SFSE suits Windows players who own the Steam edition of Starfield and need additional scripting or plugin support. It does not suit Windows Store or Game Pass editions.

Verdict

SFSE is a focused Windows extension for Steam copies of Starfield, adding scripting and plugin capabilities. Its strict edition and version requirements should be checked before installation.

Where Specifiction places it

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