Sierra 10.13.6 To 10.15: How To Update Macos High

Before making the leap, ensure your current system is fully updated. Go to > Software Update and install any available updates for High Sierra. This ensures your Mac is in the best possible state for the upgrade.

Unlike High Sierra, . This means older versions of Microsoft Office (like Office 2011), Adobe Creative Suite, and many legacy drivers will stop working. how to update macos high sierra 10.13.6 to 10.15

As of early 2025, Apple has discontinued Mac App Store support for macOS High Sierra. Users on High Sierra (10.13) report missing interface elements and failed sign-in attempts when trying to access the store. This means you cannot simply open the App Store and search for Catalina directly. Before making the leap, ensure your current system