Once you have downloaded the macOS 10.15.7 DMG, the most common next step is creating a bootable thumb drive. You will need a USB drive with at least 16GB of space.
Before you install, it is worth noting the features that defined this release. Catalina introduced Sidecar, allowing users to use an iPad as a second display, and brought Screen Time to the Mac for the first time.
Open Disk Utility and format your USB drive as Mac OS Extended (Journaled).
Press Enter, provide your password, and wait for the process to complete. Final Stability Improvements
Enhanced Security: Data is kept in a read-only system volume. Find My: Locate lost Macs even when they are offline.
Gatekeeper: Improved checking for known security issues in apps.
Once you have downloaded the macOS 10.15.7 DMG, the most common next step is creating a bootable thumb drive. You will need a USB drive with at least 16GB of space.
Before you install, it is worth noting the features that defined this release. Catalina introduced Sidecar, allowing users to use an iPad as a second display, and brought Screen Time to the Mac for the first time.
Open Disk Utility and format your USB drive as Mac OS Extended (Journaled).
Press Enter, provide your password, and wait for the process to complete. Final Stability Improvements
Enhanced Security: Data is kept in a read-only system volume. Find My: Locate lost Macs even when they are offline.
Gatekeeper: Improved checking for known security issues in apps.
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