Perhaps one of the best windows 10 themes or skins that will bring back all the nostalgia is Windows XP, one of the best windows version of all time. Overall, cakeOS is a highly customizable Windows 10 theme. Furthermore, the theme offers an extensive collection of wallpapers and it also has a dedicated dark mode. The theme consists of vibrant buttons and icons. This colorful Windows 10 theme will offer a complete makeover to your desktop. The next interesting skin for Windows 10 on the list is cakeOS. You can try more sound themes like the age of empires, Gears of war and more.