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Preparing for OpenCore Boot Manager Upgrade Though a fresh macOS install isn't necessary for using OpenCore, some prefer starting with a clean slate. Here's what you'll need: A 4GB USB Stick The macrecovery.py tool from OpenCore Downloading macOS To create a bootable installer, follow these steps: Navigate to the macrecovery's folder. Execute the appropriate macrecovery.py command for your desired macOS version. For example: bash Copy code # For macOS Lion (10.7): python ./macrecovery.py -b Mac-2E6FAB96566FE58C -m 00000000000F25Y00 download (Further commands for different versions are available in the OpenCore documentation) Note: Depending on the OS, you'll either obtain BaseSystem or RecoveryImage files. Creating the Installer This section involves partitioning the USB device. You can use tools like gdisk , fdisk , parted , gparted , or gnome-disks . This guide will use gdisk . Determine your USB device block using lsblk . Use gdisk to create a new GPT partitio...

PEAROS6 (ALPHA2) RELEASED Includes a working Mac OS X-style dock, however it doesn't exactly work like it does in OS X. It also includes "Mission Control" style windowing management, and even a Pear Appstore that closely resembles the Mac App Store where one can browse for additional Linux apps.  Linux Pear was recently updated to version 5 codenamed "Sunsprite" and is now available as a free installation Live CD. I'd suggest trying this out in some virtual environment before fully implementing it if you decide to install it to your PC. Keep in mind that Chimera does allow you to multiboot different operating systems besides OS X, so you can show your friends that you can run different operating systems on your CustoMac. Check out Going Bald's.