
So macOS itself cannot be changed by any software that you install as a user. And snapshots cannot be changed, even by the system itself. For further security, these Macs also do not start directly from the system volume, but from a snapshot of the system. This seal is stored either in the T2 chip of the newer Intel Macs or in the Secure Enclave of the Apple M1/M2.Įach component of the system is signed in hierarchical order, and any change to a component would also invalidate the seal that represents the top level. Since macOS Big Sur, macOS has its home on its own volume, which is both read-only and cryptographically signed and sealed (referred to as a Sealed System Volume). After you’ve done this, click the Erase button.In the past it was helpful to reinstall the system if you wanted to correct some Mac problems, but today this solution doesn’t make as much sense. Name the partition you’ll be creating Snow Leopard or OS X Install so you can keep track of your installation device.

8GB USB drives are now incredible cheap – here is one for under $5.Īfter you’ve gotten the correct USB device, connect it to your Mac and prepare it with the Snow Leopard installation files by following these steps: The installation files are 6.2gb on the Snow Leopard DVD, so you’ll probably need a USB drive that has at least 8gb available. Like many of our other Mac Help articles, the steps listed below worked particularly for Snow Leopard but should also work for installing OS X from USB on Leopard. To do this, you’ll need to prepare your USB drive with the installation files.

This is especially beneficial to Macbook Air users looking to install the OS without a DVD drive.

Like other versions of OS X, Snow Leopard can be installed from a USB drive. With the operating system available to customers, individuals are ready for their upgrades. It was one of the most well received versions of OS X before Apple transitioned to calling their primary Mac operating system MacOS.Īt version 10.6, Snow Leopard, focused more on improving speed and performance than adding new features to OS X. Alternatively, you can also read these instructions on how to install OS X Lion from a USB Flash Drive.Īpple officially released Snow Leopard in 2009. The steps below will guide you through how to Install OS X Snow Leopard from a USB Flash Drive.
