How To Update Macos High Sierra 10.13.6 To 10.15 __exclusive__ Jun 2026

To check your model, click the in the top-left corner of your screen and select About This Mac . Compare your model against the official compatibility list below: MacBook: Early 2015 or newer MacBook Air: Mid 2012 or newer MacBook Pro: Mid 2012 or newer Mac mini: Late 2012 or newer iMac: Late 2012 or newer iMac Pro: 2017 or newer Mac Pro: Late 2013 or newer Step 2: Check Your Storage and Power

Instead, you must use the direct download method described below.

To update from macOS High Sierra 10.13.6 to macOS Catalina 10.15, you will need to download the installer directly from the Mac App Store, as it won't appear in your standard "Software Update" settings wikidot wiki 1. Check Compatibility how to update macos high sierra 10.13.6 to 10.15

Select your main system drive (usually labeled ) as the installation target.

Once booted into Catalina (10.15.7 is the final version): To check your model, click the in the

This guide assumes you’re running 10.13.6 and want to move to 10.15 (Catalina). It’s prescriptive and steps are ordered for safety and success.

However, because macOS Catalina introduces radical architectural changes—most notably the complete removal of support for older 32-bit software—you must prepare your Mac carefully before clicking install. Check Compatibility Select your main system drive (usually

Are you still running macOS High Sierra 10.13.6 on your Mac? If so, you're missing out on the latest features, security patches, and performance enhancements that newer macOS versions have to offer. In this article, we'll walk you through the process of updating your Mac to macOS 10.15, also known as Catalina.

Enter your Apple ID and password to reconnect your iCloud services.