Windows 8 introduces several new features that differentiate it from Windows 7, including a touch-friendly Metro interface, support for ARM processors, cloud integration, an app store, and multiple monitor support. Boot times are significantly faster in Windows 8. It also aims to improve performance by automatically closing unused apps. The desktop interface utilizes dynamic tiles rather than icons, and Windows 8 can mount ISO images without burning them to discs. It additionally includes built-in antivirus software.