: Making secure purchases in Safari using iPhone or Apple Watch for authentication. System Requirements for Installation
: Bringing Apple’s intelligent assistant to the desktop for file searches and task management.
Apple provides official channels to download older versions of macOS to ensure the installer's integrity and security.
: Using an Apple Watch to instantly unlock your Mac without typing a password.
Before you download the macOS Sierra DMG , ensure your hardware meets these minimum standards: : At least 2GB of RAM (4GB recommended). Storage : Minimum 8.8GB of available disk space.
: Automatically freeing up space by moving rarely used files to the cloud.
