Add a message
Mario Tama/Getty Images
“What you’ve seen and heard should leave no doubt that Windows 8 shatters perceptions of what a PC is now,” said Microsoft chief Steve Ballmer.
A screen image of Windows 8.
Windows division chief Steven Sinofsky, left, and Panos Panay, general manager for Surface Computing, introduced the Surface tablet.
Sinofsky showed a Surface model with skateboard wheels attached to show the device's strength.
Subscriber Log In
Don't miss any of your favorite stories again. Read the stories that matter to you as much as you want, whenever you want when you subscribe to BostonGlobe.com.
Get full access today for just 99¢
Forgot your password?
Home delivery subscribers get free access. Link Account
Customer Service Number: 1.888.MY.GLOBE
Receive free unlimited access to BostonGlobe.com for the next two weeks! Get access
Enter your e-mail address below. We’ll send you an e-mail with a link to reset your password.
Return to login
Continue reading by subscribing to BostonGlobe.com for just 99¢.