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- OS X
        In June 2018, Apple announced that macOS Mojave (10.14) will likely be the last release to support 32-bit software applications.  If Mac users upgrade beyond Mojave and have 32-bit applications installed, those applications will no longer open.  This article helps you find the 32-Bit applications that are running on Macs so that they can be replaced with the 64-Bit versions.