If you are on a Mac running macOS Catalina 10.15 or later, you can force a download of the full installer directly from Apple's servers using the Terminal. Open (Applications > Utilities).
Before downloading, verify that your target machine meets the necessary hardware requirements and that you are downloading the correct build. September 24, 2020 Build Number: 19H2 (Original) / 19H15 (Supplemental Update) File Size: Approximately 8.2 GB File Format: .dmg or .pkg (converted to .dmg)
Use this Official App Store link for macOS Catalina to open the download page directly.
Never download a macOS installer from a BitTorrent site or an unverified third-party blog. download macos catalina 10157 dmg file hot
sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume
As of this writing, a reliable hot link for the exists on Apple's official servers. This is the combo update, which upgrades 10.15.6 to 10.15.7.
Access older software versions that are no longer natively offered in the current Mac App Store interface. Official Apple Download Links for macOS Catalina If you are on a Mac running macOS Catalina 10
Installing macOS on multiple systems without downloading the installer each time.
Plug in a 16GB+ USB drive. Open Disk Utility and format it to Mac OS Extended (Journaled) . Name it MyVolume .
The Terminal will display a progress bar. Wait until the download finishes completely. September 24, 2020 Build Number: 19H2 (Original) /
Run the following command to list available macOS installers: softwareupdate --list-full-installers Use code with caution. Look for the version labeled 10.15.7 . Download it directly by typing:
A valid signature will show authority=Software Signing and authority=Apple Code Signing Certification Authority .