Macos-sierra-10.12.6-french.iso < Windows >

Before searching for an installer, ensure your Mac is compatible. macOS Sierra generally supports: Late 2009 or newer. iMac: Late 2009 or newer. MacBook Air/Mac Mini/Mac Pro: 2010 or newer.

Before downloading any macos-sierra-10.12.6-french.iso , you must understand the legal landscape. macOS is proprietary software. While Apple no longer signs Sierra installers (as of late 2021), you still need a valid license. macos-sierra-10.12.6-french.iso