: It is frequently used for older Macs (late 2009 to 2017 models) that are at the limit of their hardware lifespan or for running legacy apps incompatible with newer 64-bit-only macOS versions. Key Improvements in 10.12.6
The Legacy of macOS Sierra 10.12.6: Understanding the "French ISO" macossierra10126frenchiso
Assuming you have acquired or created a file named macossierra10126frenchiso.iso , here is how to use it: Title: [Download] macOS Sierra 10
: Compatible with MacBook (Late 2009+), iMac (Late 2009+), MacBook Air/Pro/Mini (Mid 2010+), and Mac Pro (Mid 2010+). Important Notes iMac (Late 2009+)