How To Update Macos High Sierra 10136 To 1015 Site

It looks like you want to upgrade from macOS High Sierra (version 10.13.6) to macOS Catalina (version 10.15) — I assume “10136” is a typo for 10.13.6, and “1015” means 10.15.

"Yes," Elias confirmed.

Identify Incompatible Apps: Go to the Apple menu () > About This Mac > System Report > Software > Legacy Software to see which apps will no longer work. how to update macos high sierra 10136 to 1015

1. Launch Every Critical App

Try each app you rely on:

Step 6: What to Expect After the Upgrade

Upon booting into Catalina, you will notice major changes: It looks like you want to upgrade from

  • Update your apps:

    To find your Mac model: Click the Apple logo → About This Mac. Under “Overview,” you will see the model and year. Update your apps: To find your Mac model: