How To Update Macos High Sierra 10.13.6 To 10.15

Also, this is a good time to remove any third-party antivirus software, disk cleaners, or system optimizers you may have installed. These utilities often interfere with the upgrade process and can cause unexpected errors.

To confirm your exact computer model, navigate to the in the upper-left corner of your screen and click About This Mac . Compare your machine's model year to the official list of supported hardware 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

Upgrading from macOS High Sierra (10.13.6) to macOS Catalina (10.15) is a major leap that brings a modern interface, improved security, and support for newer applications. However, because this jump involves moving from older 32-bit technology to 64-bit-only systems, careful preparation is required. how to update macos high sierra 10.13.6 to 10.15

If you just want security updates but like High Sierra, you can keep using it (though no new security patches after late 2020). A better intermediate might be – but that requires a separate guide.

Go to – you’ll likely see “macOS Catalina 10.15.7 Supplemental Update” and Safari updates. Install all of them. This may require another restart. Also, this is a good time to remove

Moving from 10.13.6 to 10.15 is a major system overhaul. The installer completely rewrites your system partition and upgrades the file system structure (though you’re already on APFS if you updated High Sierra after a certain point). Here’s how to prepare.

You cannot simply “Check for Updates” from System Preferences on High Sierra. Apple’s Software Update will only offer you macOS Mojave (10.14) first, then maybe Catalina. Instead, use the direct method. Compare your machine's model year to the official

Updating your Mac from macOS High Sierra (10.13.6) to macOS Catalina (10.15) is a significant upgrade that brings a modern interface, improved security, and new features like Sidecar and Apple Music. However, because this jump involves moving from older 32-bit architecture support to a strictly 64-bit system, it requires careful preparation.