Installing Libre Office parallel versions Using Flatpak in Linux mint

step 1 - open terminal
step 2 - sudo apt update
step 3 - sudo apt install flatpak

step 4 - flatpak remote-add --if-not-exists flathub https://flathub.org/repo/ flathub.flatpakrepo
step 5 - flatpak install flathub org.libreoffice.LibreOffice

step 6 - flatpak install flathub org.libreoffice.LibreOffice

step 7 - start button search libre office

now showing both libre office installed

step 8 - open both libreOffice and check versions

default installed version

parallel installed using flatpak version