Windows 10 is so familiar and easy to use, you’ll feel like an expert. The Start Menu is back in an expanded form, plus your pinned apps and favorites are brought over so they’re ready and waiting for you. It starts up and resumes fast, has more built-in security to help keep you safe, and is designed to work with software and hardware you already have. For sale to system builders only, for the system builder to preinstall on a new PC before supply to its customer. This is an OEM System Builder copy of Microsoft Windows 10. It comes with a binding OEM System Builder License that allows system builders to distribute it only: 1. Preinstalled on a new PC; or 2. unopened to other system builders.