: Macs with Metal-compatible GPUs (generally 2012 and later) perform much better.

While a patched Big Sur experience is highly stable, unsupported hardware can present occasional bugs:

Here’s a well-regarded and highly detailed piece on the subject:

Set the format to and the scheme to GUID Partition Map . Click Erase. Step 2: Download macOS Big Sur and Build the Installer Launch the OpenCore Legacy Patcher application. Click on Create macOS Installer .

The app will prompt you to install OpenCore to your internal disk so you can boot without the USB drive. Select and target your internal SSD.

Choose from the list. The app will download the official package directly from Apple servers and extract it into your Applications folder. Step 3: Create the Bootable USB Drive Plug your 16GB+ USB flash drive into your Mac.

Patched Sur was highly popular during the early days of Big Sur for its incredibly user-friendly GUI wizard.

Follow the on-screen prompts and select your internal hard drive as the installation destination. Your Mac will restart several times during this process. Step 6: Install OpenCore to the Internal Drive

When asked where to install, select your main internal drive ().

Older operating systems like Catalina no longer receive critical security patches.