It comes pre-installed with the Microsoft Windows 7
Home Premium
operating system (64-bit version), supporting office applications and all the software programs routinely found in full-size notebooks. Windows 7 
is the easiest, fastest, and most engaging version of Windows yet. Better ways to find and manage files, like Jump Lists and improved taskbar previews, help you speed through everyday tasks.
Home Premium operating system (64-bit version), supporting office applications and all the software programs routinely found in full-size notebooks. Windows 7 is the easiest, fastest, and most engaging version of Windows yet. Better ways to find and manage files, like Jump Lists and improved taskbar previews, help you speed through everyday tasks. 