---
title: NSWindowsNTOperatingSystem
framework: foundation
role: symbol
role_heading: Global Variable
path: foundation/nswindowsntoperatingsystem
---

# NSWindowsNTOperatingSystem

Indicates the Windows NT operating system.

## Declaration

```swift
var NSWindowsNTOperatingSystem: Int { get }
```

## See Also

### Constants

- [NSHPUXOperatingSystem](foundation/nshpuxoperatingsystem.md)
- [NSMACHOperatingSystem](foundation/nsmachoperatingsystem.md)
- [NSOSF1OperatingSystem](foundation/nsosf1operatingsystem.md)
- [NSSolarisOperatingSystem](foundation/nssolarisoperatingsystem.md)
- [NSSunOSOperatingSystem](foundation/nssunosoperatingsystem.md)
- [NSWindows95OperatingSystem](foundation/nswindows95operatingsystem.md)