How To Update Macos High Sierra 10136 To 1015 [better] -

A successful installation requires sufficient storage space to download the installer and execute the upgrade.

You will need at least 15GB to 20GB of free space to download and install the update. how to update macos high sierra 10136 to 1015

Your Mac will restart to begin the installation process. The screen may go black or show a progress bar for up to an hour. Do not close the lid or unplug your machine during this time. Troubleshooting Common Upgrade Issues "Installation Failed" or Gateway Errors The screen may go black or show a

to download and install a fresh copy of Catalina. If you'd like, let me know: Which specific Mac model and year you have? Are you worried about losing 32-bit app support ? If you'd like, let me know: Which specific

If your Mac is not on the official compatibility list, you can use community-built tools to install Catalina. The most popular is .