softwareupdate --fetch-full-installer --full-installer-version 10.15.7 2. Why macOS Catalina 10.15.7?
Apple provides the full installer through the or terminal-based tools. Macos Catalina 10.15.7 Iso Download --39-LINK--39-
MacOS Catalina 10.15.7 is the seventh and final update to the macOS Catalina operating system, which was released by Apple in 2019. This update includes various bug fixes, security patches, and performance improvements to enhance the overall user experience. MacOS Catalina 10
Do not trust random torrents. Here is the secure method to get the installer so you can create your own ISO (using the link below). No checksum (SHA1/MD5) provided