: A flash drive with a capacity of 16 GB or higher for the bootable media. Compatible Mac Models
Released in 2019, macOS Catalina was a milestone update that replaced iTunes with dedicated apps for Music, TV, and Podcasts. It was also the first version of macOS to exclusively support 64-bit applications. Before proceeding with a download, ensure your Mac model is compatible with this version. Compatible devices generally include MacBook models from 2015 and later, MacBook Air/Pro from 2012 and later, and iMac models from 2012 and later. Where to Download the macOS Catalina DMG File : A flash drive with a capacity of