Can I delete install Mac OS Mojave?
All you have to do is open your Applications folder and delete “Install macOS Mojave”. Then empty your trash and download it again from the Mac App Store. … Put it in the trash by dragging it to the trash, pressing Command-Delete, or by clicking the “File” menu or the Gear icon > “Move to Trash”
Can I delete Mac OS installer?
If you only want to delete the installer, you can select it from the Trash, then right-click the icon to reveal the Delete Immediately… option for just that file. Alternatively, your Mac can delete the macOS installer on its own if it determines that your hard drive doesn’t have enough free space.