How To Update Macos High Sierra 10136 To 1015 ~upd~ Info

Choose your main hard drive (usually "Macintosh HD") and click Install .

A major upgrade requires a significant amount of free space. Apple officially states you need a minimum of of available storage. However, to be safe and allow for the download, unpacking, and installation process, having 20GB to 25GB of free space is strongly recommended.

Note: If your Mac is older than these models, you cannot update to Catalina and must stay on High Sierra or install a lightweight Linux distribution. how to update macos high sierra 10136 to 1015

Before downloading any files, it's critical to verify that your Mac is compatible with macOS Catalina and that its current state is prepared for the upgrade.

Upgrading from macOS High Sierra 10.13.6 to macOS Catalina 10.15 is a significant jump that transitions your system to a 64-bit-only environment. Before you begin, you must verify your hardware compatibility and prepare your data, as this update reformats your drive and drops support for older 32-bit applications. Phase 1: Compatibility & Preparation Updating and Upgrading macOS High sierra - Apple Community Choose your main hard drive (usually "Macintosh HD")

Before attempting the upgrade, ensure your Mac hardware supports 10.15. Catalina generally supports Macs introduced in mid-2012 or later

Click or Get . This will open the Software Update pane in your System Preferences. However, to be safe and allow for the

Once your backup is complete, before starting the upgrade. This protects your backup from any accidental issues during the installation.