32-bit apps can only address 4GB of RAM, so that is the maximum amount of RAM they can use.
While often described in terms of speed and power, the real difference between 32-bit and 64-bit whether it’s applications operating systems or CPUs, is the amount of memory they can address. These applications date back to the days when computers ran on 32-bit processors and had 32-bit operating systems.
From Catalina onwards, you will no longer be able to run 2-bit apps and will have to upgrade to 64-bit versions or find alternatives. When Apple launched macOS Mojave in 2018, it announced that it would be the last version of macOS that would support 32-bit applications. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.