How To Update Macos High Sierra 10.13.6 To 10.15 |link| -

Check the box for or click the Time Machine icon in the menu bar and select Back Up Now .

This comprehensive, step-by-step guide will walk you through verifying your Mac's compatibility, backing up your data, checking your apps, and successfully installing macOS 10.15. Step 1: Verify Hardware Compatibility

Ensure you have at least 15GB to 20GB of free storage space on your startup drive. Go to Apple icon () > About This Mac > Storage to verify your available space. how to update macos high sierra 10.13.6 to 10.15

: Late 2013 or newer (Note: Mid-2010 and Mid-2012 Mac Pro models are explicitly unsupported unless upgraded with a Metal-compatible graphics card, and even then, they max out officially at macOS Mojave). Step 2: Check for 32-Bit App Compatibility

Catalina needs at least , but aim for 30–40GB for smooth installation. Check the box for or click the Time

As of 2026, both macOS High Sierra (10.13) and macOS Catalina (10.15) are considered obsolete and no longer receive security updates from Apple. Furthermore, Catalina is a 64-bit only operating system. Before proceeding, understand that you will permanently lose the ability to run any 32-bit applications.

Because macOS Catalina is an older operating system, it will not appear automatically in your High Sierra Software Update panel. You must retrieve it directly from the Mac App Store using a specific link. 1. Download the Installer Go to Apple icon () > About This

Your hardware must match or exceed these specific requirements: : Early 2015 or newer MacBook Air : Mid 2012 or newer MacBook Pro : Mid 2012 or newer iMac : Late 2012 or newer iMac Pro : All models Mac mini : Late 2012 or newer Mac Pro : Late 2013 or newer