installation of downloaded package AutoQ3D Program

john822@john822-desktop:~$ apt-get install q3d

E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)

E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

john822@john822-desktop:~$ sudo apt-get install q3d

Reading package lists... Done

Building dependency tree

Reading state information... Done

E: Couldn't find package q3d

john822@john822-desktop:~$

I downloaded autoQ3d which is a deb package and it shows in my directory but it says it can't find the package. What command should I be using to force the install?:(