---
title: "Updating your app from 32-bit to 64-bit architecture | Apple Developer Documentation"
framework: general
role: article
path: apple-archive/documentation/General/Conceptual/CocoaTouch64BitGuide/Introduction
---

# Updating your app from 32-bit to 64-bit architecture | Apple Developer Documentation

Ensure that your app behaves as expected by adapting it to support later versions of the operating system.