You can follow the instructions mentioned down below to install Libre Office.
You can install Libre Office on distributions that are based on Debian like Ubuntu, Kali linux and more by executing the following command-
sudo apt update -y && sudo apt install wget -y && wget https://raw.githubusercontent.com/AndronixApp/AndronixOrigin/master/Uninstall/librepatch.sh && bash librepatch.sh
You can install Libre Office on distributions that are based on Arch like Manjaro and more by executing the following command-
wget https://raw.githubusercontent.com/AndronixApp/AndronixOrigin/master/Uninstall/librepatch_arch.sh && bash librepatch_arch.sh