14 DAY TRIAL // A new screenshot showing what seems to be the Windows 8.1 Start button reached the web a few minutes ago, confirming that Microsoft will indeed bring this new option in the next Windows release.
Paul Thurrott of WinSuperSite.com writes that the Start button will look exactly like the Start Charm and will obviously be placed in the same place like the previous versions available in Windows 7.
It appears that Microsoft is planning to offer the Start button with a dedicated option to allow users to disable it, just in case they love the Windows 8 design so much that they don't need this old feature back.
According to the report, the Start button is available in Milestone Preview build of Windows 8.1, so expect a new ISO to get leaked anytime soon. Microsoft is projected to officially unveil it at the BUILD developer conference in late June.