Well, If you right click on any of the viewport label, you ‘ll have this menu or
You can Choose Views menu > Configure > Viewport Configuration dialog > Rendering Method tab.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiB90Y8rJU83x0nBMNTOxBrrjhe003b70kS-FabI53QLkHBtp3tjc7iUm7fFt1gVPn3F4AwSGteG9aS_nhl2vVluthZYPHSuzwV3XRnIRMBkSUHRSjIRPx-hI7LgUr5mjs9dq_n8aBsFQI/s200/smooth+highlights.bmp)
Smooth :- It shows smooth surfaces without any lighting effects.
Facets + Highlights :- It shows individual polygon faces & lighting highlights; it means your all the objects will be faceted.
Facets :- It shows individual polygon faces without any lighting effects.
Flat :- It shows the entire object using a single color.
Lit wireframe :- It shows polygon edges with lighting effects.
Wireframe :- It shows polygon edges only it means your objects in wires.
Bounding boxes :- It shows a box that would enclose the object .It means your all the objects will be displayed as boxes & used when you have a heavy scene, it really saves your time in rendering.
F3 toggles between smooth + highlight mode & wireframe mode.