Do you have an old favorite app on your Mac that you would not dream of giving up? Be prepared, because with the upcoming release of MacOS Catalina, only 64-bit apps will run on the operating system because Apple will disable 32-bit software execution. Apple has been helping developers migrate their 32-bit software for years. Apps on the 64-bit version. In the course of the conversion Apple demanded last year that all apps in the App Store must be 64-bit.
If you regularly update your apps or only use apps from the App Store, this is most likely okay. However, if you're stuck with an old favorite, such as Microsoft Office 1
1 for Mac, that the developer does not want to update, you'll need to decide if you'd like to switch to Catalina and lose access to the app or not, and continue using the old software.
Here's how to check if you can not access apps with the Catalina update
. 1 Click the Apple icon in the upper left corner of your screen.
2. Select About this Mac .
3. Click System Report .
4. Scroll to the Software section and click Applications .
5. On the right you can see a list of apps and a column labeled 64-bit (Intel) . If one of these apps in this column contains a No it means they are not 64-bit apps. You must update it or find a replacement before you receive the MacOS Catalina update.
Developers still have time to upgrade their 32-bit apps to 64-bit. However, if there is no update and you want to keep the app, you want to stick to the MacOS you are running and do not move MacOS Catalina.
Need more information about the MacOS Catalina Update? Learn how to check if your Mac will work with Apple's MacOS update this autumn.