How To Update Macos High Sierra 10.13.6 To 10.15 [upd] -

Catalina works on these Macs:

Before you begin, verify that your Mac model is officially supported by Catalina. Generally, most Macs from are compatible. 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 Mac Pro: Late 2013 or newer Technical Requirements: OS: OS X 10.9 (Mavericks) or later. Memory: At least 4GB of RAM (8GB recommended).

Once downloaded, the installer will open automatically (named "Install macOS Catalina"). Click . Agree to the software license agreement. how to update macos high sierra 10.13.6 to 10.15

You need a minimum of 15 GB to 20 GB of available storage on your internal drive. If you are running low, clear out your Downloads folder, delete old device backups, or move large media files to an external drive.

Note: If your Mac is a Mid 2011 or older model, your hardware officially stops at High Sierra 10.13.6 and cannot natively run Catalina. 2. Important Pre-Upgrade Checklist Catalina works on these Macs: Before you begin,

Never perform a major operating system upgrade without a fresh backup. If the installation is interrupted by a power failure or a system crash, you risk losing all your personal data.

After your Mac boots into macOS Catalina, there are a few final steps to take. Memory: At least 4GB of RAM (8GB recommended)

You will be prompted to set up features like Screen Time and choose your visual theme (Light Mode, Dark Mode, or Auto).