---
title: From Pages to App
description: Learn how to upgrade your existing Next.js application from the Pages Router to the App Router.
url: "https://nextjs.org/docs/14/pages/building-your-application/upgrading/app-router-migration"
version: 14.2.35
lastUpdated: 2024-01-25
prerequisites:
  - "Building Your Application: /docs/14/pages/building-your-application"
  - "Upgrading: /docs/14/pages/building-your-application/upgrading"
---


---

For an index of all available documentation, see [/docs/14/llms.txt](/docs/14/llms.txt)