Microsoft on June 24 Unveiling New Windows System On June 24 'we will share one of the most significant updates to Windows of the past decade,' Microsoft CEO Satya Nadella says. Author: Microsoft ( MSFT) - Get Report will unveil a new version of iconic Windows software on June 24, according to an invitation sent to reporters. Chief Executive Satya Nadella offered a little context about the new product at Microsoft’s Build 2021 event last week. “Soon we will share one of the most significant updates to Windows of the past decade to unlock greater economic opportunity for developers and creators,” he said according to The Verve.