How To Update Macos High Sierra 10.13.6 To 10.15 May 2026

To update from macOS High Sierra 10.13.6 to macOS Catalina 10.15, you must first confirm your hardware is compatible. If it is, you can download the installer directly from the Mac App Store. 1. Check Hardware Compatibility

Most users should choose Option A.

Stay on High Sierra (or consider Mojave) if: how to update macos high sierra 10.13.6 to 10.15

How to Upgrade Your Mac from High Sierra (10.13.6) to Catalina (10.15)

Check Your Mac Model:

2.4 – Update All Your Current Apps

Open the App Store and go to “Updates.” Install all pending updates for your existing High Sierra apps. This reduces compatibility issues after the OS upgrade.

Updating from macOS High Sierra 10.13.6 to 10.15 is a straightforward process that requires some preparation and patience. By following these steps, you'll be able to enjoy the latest features, security patches, and performance enhancements available in macOS 10.15. If you encounter any issues during the update process, don't hesitate to reach out to Apple Support or visit an Apple Store for assistance. To update from macOS High Sierra 10

how can I update mac os from High Sierra 10.13.6 version to 10.15?

2.1 – Back Up Everything – Twice

This is the golden rule. Catalina changes how system files are stored (read-only system volume) and can occasionally fail, leaving your Mac unbootable. Check Hardware Compatibility Most users should choose Option