Believe it or not, Apple still hosts the installer for El Capitan on its servers, primarily for users who need to reinstall on older hardware. This is the only recommended method for acquiring the base file.
As of 2020, Apple stopped signing El Capitan. You cannot install it on unsupported Macs via the normal method without modifying the system date. For virtual machines, the unsigned status is irrelevant. Descargar Mac Os X El Capitan 10.11 Bin Iso Extra Quality
Since Apple does not provide ISO files, you must create one. Below is the terminal method. Believe it or not, Apple still hosts the