

When making comparisons such as Mac OS Mojave vs High Sierra it is important to note that both versions of the OS still have support for 32 bit applications. This release has interesting features that users might not notice at first as the real changes were done to the core of the OS. The installer also allows for system reloads if you don’t want to reinstall from scratch. High Sierra is still available for download for a clean install. Its requirements are at least 2 GB of RAM, and 14.3 GB of disk space. Mac OS High Sierra compatibility starts with late 2009 iMacs and Macbooks, and mid to late 2010 Macbook Pros and Macbook Airs. Its features and changes are mainly in the background of this release, so users won’t see an awful lot of differences between Sierra and High Sierra. The Mac OS High Sierra release date was September 25, 2017. There were also quite a few tweaks and fixes that made users want to get the latest Mac OS High Sierra download at the time. The DVD Image (ISO) Installer is used to create a DVD version used to install on virtual machines or systems with a DVD drive.Mac OS High Sierra launched with a few new features such as an enhanced Apple Photos with new capabilities and many security updates and fixes. The entire hard drive will be overwritten, dual booting with another OS is not supported. This is the preferred means of running pfSense software.

The USB memstick image is meant to be written to a USB flash drive before use and includes an installer that installs pfSense software to the hard drive on your system. If you purchased a Netgate product, refer to the product manual for your appliance to see which reinstall image you need. The Netgate ADI image only supports a serial installation from memstick and does not come with VGA option. The amd64 architecture (which works even on Intel 64-bit CPUs) can address more memory and may have other performance advantages, but requires a compatible CPU.

If you have a 64-bit capable CPU, use the amd64 version. You can determine the files needed for your install by reading the rest of this page for guidance.
