Upgrading from HighSierra to Catalina, no disk to install

I followed the guide from the link below using UniBeast to create an external USB.

UniBeast: Install macOS Catalina on Any Supported Intel-based PC

After booting with USB, I got to the recovery console, and from there, I selected to upgrade MacOS to Catalina. Unfortunately, only the external USB was available (locked) and not my High Sierra SSD. My SSD has the HFS file system and I read that Catalina needs the APFS file system.

So, the question is, if the file system prevents me to...

Read more

Author: sdancer75