MACOS BIG SUR 11.7.10
CÓMO ACTUALIZAR VERSION A MONTEREI
Update macOS on Mac - Apple Support
If you don’t see an update
Software Update shows only software that is compatible with your Mac model. If your Mac isn't compatible with an update or upgrade, Software Update doesn't offer it to you and says that your Mac is up to date. These are the most recent macOS upgrades and the computers that can use them:
macOS Sequoia 15 is compatible with these computers
macOS Sonoma 14 is compatible with these computers
macOS Ventura 13 is compatible with these computers
macOS Monterey 12 is compatible with these computers