To download and install macOS Sierra (10.12), you should follow these steps. However, before proceeding, ensure that your Mac is compatible with macOS Sierra. You can check Apple's official website for compatibility details, but generally, macOS Sierra is compatible with:
Technical Support Team Document Version: 1.0 download macos sierra 1012 dmg file install
3. Create a Bootable USB Installer (Optional but Recommended) To download and install macOS Sierra (10
Downloading the .dmg does not immediately give you the "Install macOS Sierra" application. You must extract it first: you should follow these steps. However