However, you can safely obtain these installers and convert them into DMG files for bootable USBs or virtual machines using official and reliable channels. Official Download Methods
Here’s a draft for an tailored for a tech blog, forum, or download page — focused on “descargar macOS Catalina / Big Sur 10.15 DMG exclusive” : descargar macos catalina big sur 1015 dmg exclusive
tool (located inside the installer app package) to write the installer to that disk image. Key Comparison: Catalina vs. Big Sur However, you can safely obtain these installers and
Evita sitios web que prometen "versiones exclusivas" o "parcheadas" de macOS. Lo correcto es obtener el instalador oficial de Apple y convertirlo tú mismo. descargar macos catalina big sur 1015 dmg exclusive