---
title: StartupApp (Windows 10)
description: This section describes the StartupApp settings that you can configure in provisioning packages for Windows 10 using Windows Configuration Designer.
ms.prod: w10
ms.mktglfcycl: deploy
ms.sitesec: library
author: jdeckerMS
ms.localizationpriority: medium
ms.author: jdecker
ms.topic: article
ms.date: 09/06/2017
---

# StartupApp (Windows Configuration Designer reference)

Use StartupApp settings to configure the default app that will run on start for Windows 10 IoT Core (IoT Core) devices.

## Applies to

| Setting   | Desktop editions | Mobile editions | Surface Hub | HoloLens | IoT Core |
| --- | :---: | :---: | :---: | :---: | :---: |
| Default |  |  |  |  |  X |

Enter the [Application User Model ID (AUMID)](https://docs.microsoft.com/windows-hardware/customize/enterprise/find-the-application-user-model-id-of-an-installed-app) for the default app.