Microsoft Windows 8, released in October 2012, introduced a major redesign with a focus on touch-screen devices. It featured the new Start Screen with live tiles, replacing the traditional Start Menu, and included the Windows Store for downloading apps. Windows 8 also brought improvements in performance, security, and cloud integration through Microsoft OneDrive.
Windows 8.1, released in October 2013, was an update that addressed user feedback and improved usability. It reintroduced the Start Button, enhanced customization options, and provided better integration with cloud services. Windows 8.1 also included new features like the ability to boot directly to the desktop and refined the overall user experience.