How to get the latest LibreOffice version using apt-get or apt in Linux Debian Buster

To get the latest LibreOffice version using apt-get or apt in Linux Debian Buster you need first to clean the LibreOffice installed:

sudo apt remove --purge libreoffice*

sudo apt clean

sudo apt autoremove

Then you need to add backports to your sources list
http://backports-master.debian.org/Instructions/

then:

sudo apt -t buster-backports install libreoffice