It looks similar to the previous version of the Windows like 98 or 2000 and the icons are being displayed in very less color not more fashionable but it is very helpful as the system also utilizes very less memory for display.

And for these changes you should go to control panel by clicking on the Start button which is on the bottom left hand side of the desktop screen and click on it and select the control panel from the start menu and after clicking on the control panel exactly on the left hand side you have to click on the classic view and the changes come into effect.
Kindly note that if you want to switch again to the category view just click on the control panel home option.