The Ultimate Virtual Display Wall Manager for Windows
Next-generation interactive canvas for professional multi-monitor setups.
WallSim bridges the gap between software flexibility and hardware simulation. It provides a seamless interface to control the Virtual Display Driver (VDD), allowing users to deploy, arrange, and monitor dozens of virtual displays without touching a single cable.
| Feature | WallSim Professional | Standard Setup |
|---|---|---|
| Canvas Interface | Interactive 2D Grid (Drag & Drop) | Text-based Registry Files |
| Real-time Monitoring | Integrated Live Capture (800ms) | No Preview |
| Deployment | Instant VDD Bridge | Manual Driver Injection |
| Profiles | Save/Load .wallsim Snapshots |
Manual Configuration |
WallSim is designed for professionals who need more than just a physical screen.
- 🌐 Headless Operations: Manage remote servers or PCs that don't have a physical monitor attached.
- 🎮 Cloud Gaming & Streaming: Create custom resolution virtual monitors for OBS, Sunshine, or Moonlight to stream games at 4K/120Hz without a dummy plug.
- 🥽 VR Workspaces: Deploy multiple high-resolution virtual displays to use inside VR environments like Virtual Desktop or Immersed.
- 💻 Software Development: Test multi-monitor application logic and layout persistence without purchasing expensive hardware.
- 🖼️ Digital Signage: Precisely arrange display grids for large-scale video walls and public info-displays.
Deploy FHD, QHD, or 4K virtual monitors instantly. No reboots required. Full synchronization with Windows Display Settings.
A high-performance workspace where you can arrange screens, detect overlaps (visualized in red), and manage physical vs. virtual devices with color-coded clarity.
Powered by MSS Native API, watch every virtual display's content in real-time within the app. Zero-latency UI updates.
Professionally localized for 7 languages. A single toggle switches the entire UI, toolbar, and inspector data.
- OS: Windows 10 or 11
- Privileges: Administrator (Required for VDD driver control)
- Python: 3.10 - 3.14
# 1. Clone the repository
git clone https://github.com/wallsim-project/wallsim.git
cd wallsim
# 2. Install dependencies
pip install -r requirements.txt
# 3. Launch the Professional Edition
python src/main.pyIf you download the pre-compiled .exe from the Releases page, Windows Defender SmartScreen might flag it as an unrecognized app because it is not digitally signed.
To run the app:
- Click "More info" on the SmartScreen prompt.
- Click "Run anyway". (Administrative privileges are required to manage virtual displays)
graph TD
User([User Interaction]) --> GUI[PySide6 Professional UI]
GUI --> Canvas[Interactive Canvas Engine]
GUI --> Bridge[VDD Bridge / Registry Hub]
Canvas --> Capt[MSS Screen Capture Worker]
Bridge --> Driver[Windows Virtual Display Driver]
Capt --> Preview[Live Graphics Feed]
style GUI fill:#2c3e50,stroke:#3498db,stroke-width:2px,color:#fff
style Driver fill:#1a1a1a,stroke:#e74c3c,stroke-width:2px,color:#fff
Special thanks to the Virtual-Display-Driver project by MikeTheTech & Team. Their hardware-level simulation is the core of WallSim.
Released under the MIT License. Copyright (c) 2026 WallSim Contributors.