It was released on 10 January 2018 to Windows, macOS and Linux users. Microsoft first announced PowerShell Core edition on 18 August 2016, along with their decision to make the product cross-platform, independent of Windows, free and open source. PowerShell 5.1 introduced editions to the app. This days, it is a different, open source product.
PowerShell was initially released in November 2006 for Windows XP SP2, Windows Server 2003 SP1 and Windows Vista.