Navigating the 3D viewport in Blender can be tricky at first, but with some practice, it becomes second nature. There are three types of navigational movements in Blender: an orbit, a pan, and a zoom. We'll investigate these in depth in this video.
I recommend you use a 3-button mouse with Blender, especially for this video. However, if a 3-button mouse isn't easily available to you, the next video covers trackpad and 2-button mouse controls.