Update Your Mac to High Sierra: A Step-by-Step Guide

If you're looking to update your Mac to a newer operating system, you may be wondering how to install macOS High Sierra on an unsupported Mac. The process is similar to installing other versions of macOS, but there are some additional steps you'll need to take.

Creating a Bootable USB Drive

To start, you'll need to create a bootable USB drive with the installation files for macOS High Sierra. You can do this by following these steps:

1. Download the installation files from Apple's website or the Mac App Store.

2. Use a compatible Mac to load the installation files onto a USB stick.

3. Format the USB stick as a FAT32 drive.

Installing OpenCore and Patcher

Once you have your bootable USB drive, you'll need to install OpenCore and patcher software on it. Here's how:

1. Download and install OpenCore from the official website.

2. Extract the archive and find the 'OpenCore-Patcher.app' file.

3. Load the patcher software onto your USB stick.

Installing macOS High Sierra

Now that you have your bootable USB drive ready, you can start installing macOS High Sierra on your Mac:

1. Boot up your Mac while holding down the Option (Alt) key.

2. Choose 'Install OpenCore to USB/internal drive' from the options.

3. Follow the prompts to install OpenCore and patcher software.

Tips and Tricks

Here are a few tips to keep in mind when installing macOS High Sierra on an unsupported Mac:

* Make sure you back up your Mac before starting the installation process.

* Use a FAT32 drive for your USB stick, as this is recommended by Apple.

* If you encounter any issues during the installation process, refer to Apple's support pages or seek help from a professional.

By following these steps and tips, you should be able to successfully install macOS High Sierra on your unsupported Mac.

Update my mac to high sierra