Designed for the business elites, SUMMIT B15 provides best-in-class productivity, security, reliability and style. Meant for those who's constantly striving to succeed and take their business to new heights. With sleek lightweight aluminum chassis, the SUMMIT series is built for high mobility. Designed for non-stop, on-the-go, work anytime, anywhere with long-lasting battery and fast-charge technology. *Free upgrade to Windows 11 when available: Upgrade rollout plan is being finalized and is scheduled to begin late 2021 and continue into 2022. Specific time will vary by device. Certain features require specific hardware. See https://www.microsoft.com/en-us/windows/windows-11-specifications.