Getting Started

Operating System Simulator adds a full simulated OS — programs, terminal, filesystem, store, and hardware boot flow — to your Unreal project. This page gets you from install to a running demo in the editor.

flowchart TB
  subgraph row1[" "]
    direction LR
    Install["Install Operating System Simulator"] --> Enable["Enable in Edit → Plugins"] --> Build["Generate VS project files + Build"]
  end
  subgraph row2[" "]
    direction LR
    Content["Show Engine Content + Show Plugin Content"] --> Demo["Open DemoMap"] --> Tutorials["Follow Tutorials overview"]
  end
  Build --> Content

1. Install and enable

1. Install from Fab / Marketplace.
2. Enable Operating System Simulator under Edit → Plugins.
3. Restart the editor.

If you see module ‘GlobalCore’ could not be found, build the project once:

→ Troubleshooting

2. Enable plugin content

The plugin ships demo maps, hardware, programs, and UI under engine plugin paths.

1. In Content Browser → View Options, enable Show Engine Content and Show Plugin Content.

2. Open DemoMap:

   Plugins → OperatingSystemSimulator → OperatingSystemContent → Demo → Maps

→ Try the demo map tutorial

3. Editor preference

Disable Use Less CPU when in Background (Editor Preferences → General → Performance) so timers and boot sequences run reliably in PIE.

→ Prerequisites

4. API documentation

The Operating System API reference documents classes, functions, and inheritance — browse from the API Reference tab.

Guide	API
Blueprint Reference	Common nodes and parent classes
C++ Reference	Modules and headers
Plugin Classes	Architecture overview

5. Build your own OS

Follow the Overview series:

1. Create a device actor
2. Create a device
3. Create an operating system
4. Create a custom program

Support

Discord

Join our Discord Server for help and showcases.

For custom plugin work, contact us via our website.