sudo -i
mkdir -p /etc/apt/keyrings
wget -qO- https://shop.softmaker.com/repo/linux-repo-public.key | gpg --dearmor > /etc/apt/keyrings/softmaker.gpg
echo "deb [signed-by=/etc/apt/keyrings/softmaker.gpg] https://shop.softmaker.com/repo/apt stable non-free" > /etc/apt/sources.list.d/softmaker.list
apt update
apt install softmaker-office-nx
