Gazebo Garden
Launch Gazebo with the following command:
gz sim
Ensure tha the version shown is v7.5.0 Garden. Select Tugbot in warehouse and run the simulation. For first launch gazebo will take sometime to download all the necessary assets. Once the simulation is running you should see the following screen:
Familiarize your self with the interface of Gazebo Garden. You can move the robot around using the build in teleop tab. The entity tab allows you to inspect all the simulated elements in Gazebo.