How To Update Macos High Sierra 10136 To 1015

Use the built-in Time Machine utility to back up your entire system to an external drive. This is critical as the upgrade may reformat your drive to the APFS file system.

Your Mac must be one of the following models or newer to officially run Catalina: Apple Support : Early 2015 MacBook Air : Mid 2012 MacBook Pro : Mid 2012 : Late 2012 : Late 2012 : Late 2013 2. Prepare for Installation Backup Your Data Time Machine to back up your entire system to an external drive. Check Storage : Ensure you have at least of available storage. Update Current Apps : Go to the to install any pending High Sierra security updates first. Apple Support 3. Download and Install Catalina

user wants a long article on how to update from macOS High Sierra (version 10.13.6) to macOS Catalina (10.15). The provided keyword "10136 to 1015" likely refers to 10.13.6 to 10.15. The article should be comprehensive, covering prerequisites, backup, system requirements, methods (System Preferences, Installer app, bootable USB), post-update troubleshooting, and common issues. The user also expects a long-form guide with step-by-step instructions. how to update macos high sierra 10136 to 1015

You need a minimum of 12.5 GB of available storage if upgrading from High Sierra. Apple recommends keeping up to 20 GB free to prevent installation stalls. Memory: At least 4 GB of RAM is required.

Enter your Mac’s administrator username and password when prompted to authorize the installation helper tool. Step 3: Wait for Completion Use the built-in Time Machine utility to back

: Use the built-in Time Machine utility to back up your files to an external drive.

Opt-in or out of Screen Time tracking features. Prepare for Installation Backup Your Data Time Machine

Preparation (critical)

Major operating system upgrades alter core system files. Skip preparation, and you risk data loss. 1. Check Your Storage Space

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