> For the complete documentation index, see [llms.txt](https://xplat.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xplat.gitbook.io/docs/xplat.applicationmodel/ipackage3.md).

# IPackage3

> Namespace: XPlat.ApplicationModel

Provides information about a package.

```csharp
public interface IPackage3
```

## Supported platforms

| Platform        | Version    |
| --------------- | ---------- |
| .NET Standard   | 2.0        |
| Xamarin.Android | 9.0        |
| Xamarin.iOS     | 1.0        |
| UWP             | 10.0.16299 |

## Properties

### InstalledDate

Gets the date on which the application package was installed or last updated.

```csharp
DateTimeOffset InstalledDate { get; }
```

## Related information

### References

[Package - Microsoft Docs](https://docs.microsoft.com/en-us/uwp/api/windows.applicationmodel.package)