The first time your iMac starts up, Setup Assistant walks you through the simple steps needed to start using your new Mac. You can respond to all the prompts, or skip some steps and choose to complete them later. For example, it might make sense to set up Screen Time—which you can set for different users—after initial setup.
Setup Assistant guides you through the following:
Set your country or region: This sets the language and time zone for your Mac.
Accessibility options: View accessibility options for Vision, Motor, Hearing, Cognitive abilities, or click Not Now. To learn more, see in the menu bar, you can add it. Open System Settings, click Control Center in the sidebar, then select “Show in Menu Bar” for Wi-Fi.
Transfer information: If you want to transfer your data from another computer now or later, see Are you new to Mac?, Mac tips for Windows switchers.