How to Update macOS on MacBook Air M4: Step-by-Step Software Upgrade Guide

Accessing Software Update

• ⚙️ To update your MacBook Air M4, navigate to Settings.
• ➡️ From Settings, select General, and then choose Software Update.

Downloading and Installing macOS

• ⏳ The system will check for available updates and display an estimated installation time, such as 20 minutes.
• 🔌 It is recommended to keep your laptop plugged in during the entire process to prevent power loss.
• 💻 You can continue using your laptop during the download and verification stages.

Completing the Update

• ⚠️ A restart is required to complete the installation, which may take anywhere from several minutes to up to half an hour.
• 🔔 A notification will appear, offering options to 'Not Now' or 'Restart'; the laptop will also restart automatically within a minute if no action is taken.
• 🔑 After the restart, you may be prompted to enter your Apple account password and local account password to finalize the setup.
• 🔒 You might also have the option to enable encryption or set up Apple Pay, which can be deferred.

Verifying the Update

• ✅ Once the process is complete, you can verify the new macOS version by going to About.
• 📊 The example shows an update to version 15.3.2.