Why You Need Go64 to Check Your Apps Before Upgrading to macOS 10.15 or Higher
How to Download Go64 and Check Your Mac for 32-Bit Apps
If you're planning to upgrade your Mac to macOS Catalina or any higher version, you may want to make sure that all your apps are compatible with the new operating system. That's because Apple has dropped support for 32-bit apps, which means that they won't run on macOS Catalina or later. Fortunately, there's a free tool that can help you check your Mac for 32-bit apps and find potential upgrades or replacements. It's called Go64, and in this article, we'll show you how to download it and use it.
What is Go64 and Why Do You Need It?
Go64 is a free tool that scans your Mac for 32-bit apps
Go64 is a simple but powerful app that quickly scans your disk for applications and shows you which ones are 32-bit, 64-bit, Intel-only or optimized for Apple Silicon. It also provides you with links to the app's website, where you can look for updates or alternatives. Go64 is developed by St. Clair Software, a reputable software company that has been making Mac utilities since 1988. You can download Go64 for free from their official website or from MacUpdate.
32-bit apps are not compatible with macOS Catalina or later
Apple has been transitioning its Macs from 32-bit to 64-bit architecture for over a decade, and in macOS Catalina, it finally dropped support for running 32-bit apps. This means that any app that is built with Apple's 32-bit software libraries will not work on macOS Catalina or any higher version. These are mostly older apps that have been abandoned by their developers or that have not been updated in a long time. However, some newer specialty apps may also still be 32-bit. As Apple says, "The technologies that define today's Mac experiencesuch as Metal graphics accelerationwork only with 64-bit apps. To ensure that the apps you purchase are as advanced as the Mac you run them on, all future Mac software will eventually be required to be 64-bit."
How to Download and Install Go64 on Your Mac
Go to the official website of Go64 and click the download button
To download Go64, you need to visit its official website at and click the Download Go64 button. You will get a zip file that contains the Go64 app. The file size is about 6 MB and it should download quickly.
Open the downloaded file and drag the Go64 app to your Applications folder
Once you have downloaded the zip file, you need to open it and extract the Go64 app. You can do this by double-clicking the zip file in your Downloads folder or using a third-party app like The Unarchiver. You will see the Go64 app icon, which looks like a blue circle with a white 64 inside. To install Go64, you need to drag the app icon to your Applications folder, which is located in the Finder sidebar or in the Go menu. Alternatively, you can right-click the app icon and choose Move to Applications Folder from the contextual menu.
How to Use Go64 to Scan Your Mac for 32-Bit Apps
Launch Go64 from your Applications folder or Spotlight
To use Go64, you need to launch it from your Applications folder or use Spotlight to search for it. You can also add it to your Dock for easy access. When you open Go64, you will see a simple interface with a big Scan button and a progress bar. You will also see some information about your Mac model, processor, and operating system.
Click the Scan button and wait for the results
To start scanning your Mac for 32-bit apps, you need to click the Scan button and wait for Go64 to do its magic. Depending on how many apps you have installed on your Mac, the scan may take from a few seconds to several minutes. You can see the progress of the scan on the bar and the number of apps found below it. You can also pause or cancel the scan at any time by clicking the Pause or Cancel buttons.
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Review the list of apps and their architectures
When the scan is complete, you will see a list of all the apps that Go64 has found on your Mac, sorted by name, size, architecture, and website. You can also sort the list by clicking on any of the column headers. The architecture column shows you whether an app is 32-bit, 64-bit, Intel-only, or optimized for Apple Silicon. You can also see an icon that indicates if an app is compatible with macOS Catalina or later (a green check mark) or not (a red cross). You can click on any app to see more details about it, such as its version, location, developer, and bundle identifier.
How to Update or Replace Your 32-Bit Apps
Check the website column for upgrade information or alternatives
One of the most useful features of Go64 is that it provides you with links to the websites of the apps that it finds. This can help you check if there are any updates available for your 32-bit apps that make them compatible with macOS Catalina or later. You can also look for alternatives if there are no updates or if you want to switch to a different app. To visit an app's website, you can click on the link in the website column or right-click on an app and choose Open Website from the contextual menu.
Contact the developer or vendor if the website is not available or helpful
Sometimes, an app's website may not be available or may not provide any useful information about updates or alternatives. In that case, you may want to contact the developer or vendor of the app directly and ask them if they have any plans to update their app or offer any solutions for running it on macOS Catalina or later. You can usually find their contact information on their website, in their app's About menu, or in their app's documentation.
Consider using virtualization software or an older Mac if you can't update or replace your 32-bit apps
If none of the above options work for you and you still need to run some 32-bit apps on your Mac, you may want to consider using virtualization software or an older Mac that supports them. Virtualization software allows you to run another operating system (such as Windows or an older version of macOS) inside a window on your Mac. This way, you can run your 32-bit apps in a virtual environment without affecting your main operating system. Some popular virtualization software for Mac are Parallels Desktop, VMware Fusion, and VirtualBox. However, keep in mind that virtualization software may require a lot of disk space, memory, and processing power, and may not work well with some apps that require hardware access or high performance. You can learn more about virtualization software and how to use it on Macworld. Another option is to use an older Mac that can still run 32-bit apps, such as a Mac that runs macOS Mojave or earlier. You can use this Mac as a secondary device for running your 32-bit apps, while using your main Mac for everything else. However, this option may not be very convenient or cost-effective, and you may miss out on the latest features and security updates of macOS. Conclusion
In this article, we have shown you how to download Go64 and check your Mac for 32-bit apps that won't work on macOS Catalina or later. We have also given you some tips on how to update or replace your 32-bit apps, or how to use virtualization software or an older Mac if you can't do that. We hope that this article has helped you prepare your Mac for the future and enjoy the benefits of 64-bit apps.
If you have any questions or feedback, please feel free to leave a comment below. And if you found this article useful, please share it with your friends and family who may also need to check their Macs for 32-bit apps. Thanks for reading!
What are the benefits of 64-bit apps over 32-bit apps?
64-bit apps have several advantages over 32-bit apps, such as: - They can access more memory and run faster and smoother. - They can take advantage of modern technologies and features, such as Metal graphics acceleration, Core ML mac