Download Macos Catalina 10.15.7 Full ((link)) Installer Page

for an upgrade from El Capitan or later (up to 18.5GB from earlier versions). Compatible Models : Early 2015 or newer MacBook Air / Pro : Mid 2012 or newer Mac mini / iMac : Late 2012 or newer : Late 2013 or newer. Apple Support Creating a Bootable Installer Create a bootable installer for macOS - Apple Support (MZ)

Enter your admin password when prompted (it will not be visible as you type). download macos catalina 10.15.7 full installer

Because Catalina drops support for many 2010–2011 Macs, you cannot use the official installer on those machines without third-party patchers. for an upgrade from El Capitan or later (up to 18