: Yosemite generally supports Mac models from 2007–2009 or newer, depending on the specific line (e.g., iMac mid-2007, MacBook Pro mid-2007).
: Utilities like DiskMaker X or AutoDMG can help automate the creation of a bootable DMG or USB from the official App Store download. Important Considerations mac os 10.10 download dmg
Before you download, ensure your hardware can actually run Yosemite. Supported Models Mid 2007 or newer MacBook Air: Late 2008 or newer MacBook Pro: Mid/Late 2007 or newer Mac mini: Early 2009 or newer Mac Pro: Early 2008 or newer System Requirements Memory: At least 2GB of RAM (4GB is highly recommended). Storage: 8GB of available space. : Yosemite generally supports Mac models from 2007–2009