One of the simplest programs to use when coming from a windows environment is
UUI from Pendrivelinux. Download and install to your PC by clicking the big
blue button:
http://www.pendrivelinux.com/universal-usb-installer-easy-as-1-2-3/
Follow the simple instructions on that page and note that Trisquel is in
"Other Distros Alphabetical" mear the bottom.
'Install Linux to flash drive in Windows' video shows how to make a bootable
USB thumbdrive:
https://www.youtube.com/watch?v=Pmgzr3RQQ-A
'Trisquel 6 - Freedom To Choose Your Way' video shows how to navigate the
desktop after installation.
https://www.youtube.com/watch?v=2RORdGIdJ0Y
Welcome to the Trisquel user forum! Enjoy the freedom!!!