Upgrading 32 Bit Software On A Mac
Sep 18, 2019 The new version of macOS marks the end of old 32-bit apps whose software code was never refreshed to support 64-bit CPUs. In June 2018, Apple confirmed the end of 32-bit apps, noting that 10.14 Mojave would be the last operating system to allow them to run (see “macOS 10.14 Mojave Will Be the Last to Support 32-Bit Apps,” 12 June 2018.
Apple began transitioning to 64-bit hardware and software technology for Mac over a decade ago, and all modern Macs now include powerful 64-bit processors that can run advanced 64-bit apps. These apps can access dramatically more memory, enable faster system performance, and take advantage of technologies that define today's Mac experience, such as Metal graphics acceleration.
Oct 10, 2019 With the release of macOS Catalina, users will have to give more consideration and research regarding their critical applications before upgrading. This is due to the fact that 32-bit applications will no longer work under macOS Catalina as the current standard is 64-bit. 64-bit processors, and software written to take advantage of 64-bit. Sep 06, 2019 Microsoft gives you the 32-bit version of Windows 10 if you upgrade from the 32-bit version of Windows 7 or 8.1. But you can switch to the 64-bit version, which means on computers with at least 4GB of RAM, you'll be able to run more application simultaneously. Oct 12, 2019 Apple’s latest Mac update, macOS Catalina, was released earlier this week, and with it came a flurry of complications both minor and major. For one, this update is the first for Apple to drop 32. Nov 08, 2019 Apple Footer. This site contains user submitted content, comments and opinions and is for informational purposes only. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the.
Apple has been working with developers to transition their apps, and in 2018 Apple informed them that macOS Mojave would be the last version of macOS to run 32-bit apps.
Apple's transition to 64-bit technology is now complete. Starting with macOS Catalina, 32-bit apps are no longer compatible with macOS. If you have a 32-bit app, please check with the app developer for a 64-bit version.
Installing 32 Bit On 64 Bit
Opening 32-bit apps
When you attempt to open a 32-bit app, you will see an alert that the app needs to be updated to work with this version of macOS, or that the app is not optimized for your Mac and needs to be updated.
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macOS Catalina
macOS Mojave and macOS High Sierra
If you haven't upgraded to macOS Catalina, you can still open and use the app, but you should check with the app developer for a 64-bit version that also works with the latest macOS.
How to find 32-bit apps on your Mac
System Information can find 32-bit apps that are installed on your Mac:
Upgrading 32 Bit Software On A Mac Computer
- Choose Apple menu > About This Mac, then click the System Report button.
- Select Legacy Software in the sidebar. All legacy software is 32-bit.
- If you don't see Legacy Software in the sidebar, select Applications in the sidebar, then check the list of apps on the right. The column labeled ”64-Bit (Intel)” shows ”No” for apps that are 32-bit.
When upgrading to macOS Catalina, the installer shows a list of recently used apps that are 32-bit. You can review this list before choosing whether to cancel or continue the installation:
macOS Catalina also shows a prohibitory symbol over the icon of each 32-bit app in the Finder, letting you know that the app will not open.
How to contact the app developer
The developer (or vendor) is the person or company that made the app. The easiest way to find contact information for an app's developer is to search the web for their name or the name of their app. Learn more about contacting third-party vendors.
To find the name of the developer:
- Select the app in the Finder.
- Choose File > Get Info from the menu bar.
- Look for copyright information in the Info window. For example, Apple is the developer of this app: