Select the internal hard drive or SSD where you want to install Catalina. Click and fill out the details as follows: Name: Macintosh HD (or any name you prefer) Format: APFS Scheme: GUID Partition Map
Enable (if your bootloader configuration supports it, otherwise disable it).
: Use balenaEtcher (available for Windows, macOS, and Linux) to burn the Olarila image to your USB stick.
The system will reboot several times during the installation. Each time it reboots, ensure you enter the boot menu and select your USB drive, but within the bootloader picker, choose the internal drive option (e.g., ) to continue the installation phase. Step 6: Post-Installation Cleanup
If you are already on a Mac or a working Hackintosh, you can use BalenaEtcher for macOS following the same steps listed above. Alternatively, advanced users can use the command-line dd tool in the Terminal to write the raw image directly to the disk. Step 3: Configuring Your Motherboard BIOS/UEFI olarila catalina 10.15.7 download
The Olarila bootloader screen (OpenCore or Clover) will display. Select .
Olarila offers specialized folder structures and raw image files containing the macOS installer alongside essential bootloaders like OpenCore or Clover.
Reboot in verbose mode ( -v boot arg) to view the error log. Take a picture of the final lines to search on the Olarila forum.
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The initial phase will copy files to the drive. The system will reboot automatically. When it reboots, bring up the boot menu again, select the USB, and this time in the OpenCore menu, select . The process may reboot 2 to 3 times before landing on the macOS user configuration setup screen. Step 7: Post-Installation Procedures
(can be enabled if DisableIoMapper is turned on in your bootloader config)
Guide: Downloading and Installing Olarila macOS Catalina 10.15.7
✅ (still requires official installer): The system will reboot several times during the installation
Want a lightweight, reliable OS for audio production or development. Key Download Links
Olarila is a Brazilian forum/community that provides "raw" USB images of macOS. Unlike the official Mac App Store installer, this 8+ GB image is pre-configured with a generic bootloader (OpenCore or Clover) and a massive library of kexts (kernel extensions) and patches. The claim is that you can flash this image to a USB drive using BalenaEtcher or Rufus and boot macOS on almost any Intel PC.
Getting Started with Olarila Catalina 10.15.7 For PC enthusiasts looking to run Apple's operating system on non-Apple hardware, Olarila Catalina 10.15.7