# Sandbox.Engine.SystemInfo.WinWindowedOptimizations

```csharp
static System.Nullable<bool> WinWindowedOptimizations { get; set; }
```

Windows only. The "Optimizations for windowed games" toggle. Null when left at its default.

Declared in [Sandbox.Engine.SystemInfo](/api/Sandbox.Engine.SystemInfo).
Assembly: `Sandbox.Engine`.