How to create Ubuntu bootable USB in Linux, Mac and Windows 10
If You are using MX Linux, You can use MX Live USB Maker application to create a bootable USB drive for Ubuntu or any other Linux Distro.
If you are a Windows, Max or and other Linux Distribution user, You can use following applications to make a live bootable USB.
Rufus https://rufus.ie/
UNetBootin https://unetbootin.github.io/
WinUSB https://www.winusb.net/
Balena Etcher https://www.balena.io/etcher/