How to check whether your Mac is the software 32 – bit or 64-bit

How to check whether your Mac is the software 32 – bit or 64-bit

MacOS 10.14 Mojave, the version of the Mac operating system, before the new macOS Catalina, is the last version that supports 32-bit software. With Catalina, only 64-bit software is supported.

Catalina is here and if you decide to upgrade to the new macOS, you need to be a bit more than usual, so prepare your Mac. You need to make sure that their apps for 64-bit versions. If your app is a 32-bit version, it will not work.

macos mojave-32-bit-app-alert Apple

and the Apple actually started to warn the people, and the change with macOS 10.13 High Sierra. If you show up at the Start of a 32-bit app in the High Sierra, a warning to tell you that the app needs to be updated. The warning only appears once in the High Sierra and Mojave, all of the 30 days.[ read More: Learn more about macOS Catalina ]

If you can’t remember whether an app needs to be updated or not, there are a few ways to find out, in addition to the home Alarm. Here’s how.

Go64 to find 32-bit apps on the Mac

St. Claire Software is a great app called Go64 has to Use (free, donations accepted), the software scans your Mac and tells you whether the app is 64-bit or not. Go64 is fast and it also provides web links to the app developer website, so that you can see whether the developer has a update. Learn more about Go64.

go64 light user interface IDG

Go64 offers a detailed look at the apps need to be updated or deleted before the Installation of macOS Catalina.

the 32-bit apps on your Mac with the System Report

1. In the Finder, click the Apple menu and select “About This Mac”.

macos mojave IDG

2. In the “Overview” section, click the System Report.

3. In the left column of the System Report, scroll down to the Software section. Then select applications.

4. The section on the right-hand side may be a blank for a moment. This is because your Mac is creating a list of the software on your Mac. If the window is displayed, two sections. The top section is the list of software. The lower section shows more details about an Element displayed, if you click it in the list.

high sierra-system report-apps 64-bit IDG

If you and hold the point in the dividing line between the two sections, you can click the size of the window, so you can see more of the list, or more details.

5. In the list there is a column named “64-Bit (Intel)”, the far right in the top row. If you don’t see it, try it, expand the window by clicking and dragging the right edge, or you can use the scroll window on the right side As soon as you can see, the 64-bit (Intel) column, you can click, hold, and drag it to move to the left, closer to the app-name.

6. Now you can see whether a particular app on the Mac is the 64-bit or not. If it is listed, than Yes, it is 64-bit. If it is Not, it is a 32-bit application, and you need to update before you with macOS 10.15.

Find the 32-bit apps on the Mac Activity Monitor

There is an app called ” Activity Monitor that you can use to determine whether an app is 32-bit or 64-bit. But it only works when an app is started and is running.

1. Start the activity indicator in applications > utilities.

2. In the CPU area, you will see a list of apps running on your Mac. Right-click in the top line of the categories. In the pop-up list that appears, select type.

high sierra-activity-monitor-type IDG

3. At the right end of the upper row, a new column “type” should be displayed. You can click, hold, and drag it to a new Position if you wish. Like, say, next to the application name.

4. The type line will tell you if a running app is a 32-bit or 64-bit. You will need to/upgrade from 32-bit applications, the use of macOS 10.15.

high sierra activity monitor IDG

How to upgrade from 32-bit applications on 64-bit

After you have determined a 32-bit app, you need to update it, or it will not work in macOS 10.15. It usually update the download of Updates from the developer created.


  • If you have bought the app in Apple’s App Store, check there for all updates. Click on Updates in the left column of the App Store app. Available updates displayed in the larger window on the right side.

    mac app store update IDG
  • the

  • you can Check the developer website for Updates.

  • the

  • Some apps can check for updates in the app. You start the app, and search for “Check for Updates” or something similar in the help-menu or the menu named after the app (for example, the Safari menu in Safari) or in the app settings.

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Released on Sat, 04 Apr 2020 08:00:00 +0000

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