Tutorial on how to install macOS Catalina on a MacBook Pro with an SSD (WILL WORK ON A HARD DRIVE BUT WILL BE SLOWER) please note that durations will vary : r/mac
How to clean install macOS Catalina
How to install Mac OS on a new SSD - Quora
macos - Setting up SSD with Catalina install - Ask Different
How to Format a New Internal SSD in macOS 10.13 High Sierra
How to dual boot Mojave and Catalina on the same Mac
APPLE MACBOOK PRO 17" MACOS 10.15 CATALINA ULTRA UPGRADE CORE i5 8GB RAM 2TB SSD | eBay
How to make your own bootable macOS 10.15 Catalina USB install drive | Ars Technica
macOS Catalina Slow? How am I able to fix it
How to Install macOS Catalina on a Separate Partition - MacRumors
macOS Catalina features and installation guide
How to create a bootable macOS installer drive | Macworld
How to clean install macOS Catalina (without a bootable USB) - AppleToolBox