Answer:
There are several options for this.
- 1. You can activate the "Move view, Zoom [Shift], Rotate [Ctrl], or Activate [Alt]" command. See the image. When the command has been activated, you can hold down the left mouse button and click [Shift], [Ctrl] or [Alt] to change the view.
- To rotate, hold down the [Ctrl] key and the middle mouse button (the mouse wheel). You change the view by moving the mouse.
- As an alternative to the [Ctrl] key in step 2, you can also hold down the right + middle mouse buttons and move the cursor.