There are many Virtual Machine tools and applications that can accomplish the mission. You can still go back to the default settings, no matter how bad you screwed up.
Virtualization Technology is one of the easiest ways to muck things up for testing. In this tutorial guide, you are going to learn how to install macOS Catalina on VMware Workstation 16 Pro. Meanwhile, if you want to test macOS Catalina on a virtual machine like VMware Workstation then you have landed at the right place. Apple announced macOS Catalina back in WWDC 2019.