How To Update Macos High Sierra 10.13.6 To 10.15 ((exclusive)) Access

Upgrading macOS High Sierra 10.13.6 to 10.15: A Step-by-Step Guide

• You need a modern web browser (Chrome/Edge no longer support High Sierra).
• You want access to newer versions of Adobe Creative Cloud or Microsoft 365.
• You have an SSD (Solid State Drive). Catalina runs terribly on old spinning hard drives.

Check 32-bit apps: Catalina does not support 32-bit apps. Many older programs (like older versions of Microsoft Office or Adobe CS6) will stop working. how to update macos high sierra 10.13.6 to 10.15

• Apple menu → About This Mac → Storage → Manage.
• Delete or move large media to external drive or cloud.