Doesn't install from the linux command

[TheBitcoinBaron]

apt-get install xdotool

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?

This is on linux mint 22 version

[FascinatedBox]

You need to be root to use apt-get: Either by using su and becoming root, or using sudo apt-get ... to execute just apt-get ... as root.