Installing macOS Sierra

After one year of El Captian, Apple has released macOS Sierra. When I find all Apple products great and stable, MacBooks are also the perfect laptop on any side. Be it hardware level robustness or software level stability. You can easily get the latest version of OS from the App store, which should not take much time to download if you have good internet connection.

After installation of new macOS here is the new look of my MacBook screen-

On the top right corner of the screen, you can see t...