First, I need to go through the text and identify the terms that are not proper nouns. Proper nouns are specific names like "macOS High Sierra 10.13.6", "September 26, 2018", "AirPlay 2", "Photos app", etc. Those should stay as they are.
"how to create a bootable USB drive from the ISO file." becomes "how to generate a functional USB drive from the disc image." macos high sierra 10.13 6 iso download
Okay, let's see what the user wants me to do. They want me to modify the given text by replacing words with three synonyms each in the spintax format z. But I need to leave proper nouns untouched. The previous example they provided uses spintax for words like "Select" becoming Pick and so on. The current task is similar but specifically to swap all words with three synonyms in the same spintax format, not adding anything else. First, I need to go through the text
"how to download and install" becomes "how to acquire and install" "how to create a bootable USB drive from the ISO file
"Download": Download
But I need to make sure that all words (not proper nouns) are replaced with three alternatives. Let's proceed step by step.