Have a tip on finding rare DMGs? Share in the comments below. For more legacy macOS guides, check out our series on Snow Leopard and Mountain Lion DMG files.
If you have a PKG file, double-click it to run the installer. This will extract the actual macOS installer application into your Applications folder. mavericks os x 10.9.x dmg
Do you currently have access to a to build the installer? Have a tip on finding rare DMGs
Replace "MyVolume" with the actual name of your formatted USB drive. you'll need an ISO file.
If you're installing on actual Mac hardware, you want a DMG or the full .app installer. If you're planning to run Mavericks in a virtual machine (for testing or legacy app compatibility), you'll need an ISO file.