New Beginner Really Needs Help With Kali Linux

Hello great people.
im new here and into programing and computing science but nobody is more motivatet to learn than me.
yesterday i watch a tutorial in youtube about ethical hacking and using of kali linux.
i watch 4 episodes and come to the point where he learn how to install a program in the terminal. ill past here what i type and the wrong message i got,so i would like to get some help please with this problem or if i should start using other progman.
here is the message:
┌──(kali㉿kali)-[~]
└─$ apt-get install terminator
E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied)
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root?

┌──(kali㉿kali)-[~]
└─$ 100 ⨯
Please help me or give ,me some advise and i would be very gratefull and woundt mind to make a donation for the cause.
thanks and regards.

cabraalta

Try Root.
use sudo.

like - sudo apt-get install terminator

thanks it work out with
sudo apt update && sudo apt upgrade -y