Early guesstimates had the Windows 7 release pegged for this summer, and with the release candidate to be released soon, a September ship date sounds just about right.
https://gizmodo.com/its-official-windows-7-shipping-mid-2009-5079563
According to a PC contractor that builds for Acer, HP and others PC manufacturers, the software should be available in either late September or early October. Microsoft still maintains that Windows 7 will be available three years from when Vista was shipped, but evidence would suggest it’s nothing more than a safeguard against expectations and any faux paux in releasing the OS. [Electronista]