office nx installation problem

[acahan3500]

Hello, Office NX cannot be installed on Linux.

root@ahmet-82kd:~# sudo apt update
E: Hatalı girdi satır 1 list dosya /etc/apt/sources.list.d/webupd8.list ([option] not assignment)
E: Kaynak listesi okunamadı.
root@ahmet-82kd:~# sudo apt install -f ./softmaker-office-nx_1211-01_amd64.deb
E: Hatalı girdi satır 1 list dosya /etc/apt/sources.list.d/webupd8.list ([option] not assignment)
E: Kaynak listesi okunamadı.

ahmetc@ahmet-82kd:~$ mkdir -p /etc/apt/keyrings
ahmetc@ahmet-82kd:~$ wget -qO- https://shop.softmaker.com/repo/linux-repo-public.key | gpg --dearmor > /etc/apt/keyrings/softmaker.gpg
bash: /etc/apt/keyrings/softmaker.gpg: Erişim engellendi
ahmetc@ahmet-82kd:~$ 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
bash: /etc/apt/sources.list.d/softmaker.list: Erişim engellendi
ahmetc@ahmet-82kd:~$ apt update
E: Hatalı girdi satır 1 list dosya /etc/apt/sources.list.d/webupd8.list ([option] not assignment)
E: Kaynak listesi okunamadı.
ahmetc@ahmet-82kd:~$ apt install softmaker-office-nx
E: Hatalı girdi satır 1 list dosya /etc/apt/sources.list.d/webupd8.list ([option] not assignment)
E: Kaynak listesi okunamadı.
ahmetc@ahmet-82kd:~$  

[SuperTech]

Thank you for your post. Please share complete details of your operating system like Linux distribution, version etc.