Right click to select, left to confirm.
Tools bar/menu from left to access functions like subdivide.
TAB to switch edit and object mode.
Shift - D duplicate Shift - S scale
Select shiny quadrated ball on the right to change material (for example to wireframe). Add material, change lighting effects and such.
Change camera view:
Select the object(s) you want your camera to be pointed at. Press Numpad dot(.). Choose desired view by pressing Numpad numbers and zoom by scrolling mouse wheel (Optional). Press Ctrl + Alt + Numpad0.
Render with F12, hide render with F11 Image menu bottom left to save render as image.