Download Files:
https://drive.google.com/drive/folders/1IerlV0My7bT5jguVr3NqGQDBLED8tjVj
These are The Following Steps:
Step-1. Download the macOS 10.15 Catalina Virtual Disk Image from the given link above.
Step-2. Download the VirtualBox and Install from the virtualbox.org site.
Step-3. Download the VirtualBox Extension Pack from the virtualbox.org site And, follow the above video to install macOS 10.15 Catalina on VirtualBox on Windows 10 PC.
Here's the Video: