These screenshots are from Windows Longhorn build 4051, the so-called "PDC build" of Longhorn. This third set includes a look at the applications in this build, such as Windows Media Player, Outlook Express 7, Internet Explorer 6.05, and Paint.

Windows Messenger 6.0.

Windows Media Player 9 Series.

New Outlook Express 7.0 with MSN-like user interface.

Outlook Express 7 About dialog.

Outlook Express mail composition window.

New Internet Explorer 6.05.

Internet Explorer 6.05 About dialog.

New IE 7.0 functionality: Pop-up ad blocking.

New IE 7.0 Download Manager.

New IE 7.0 pop-up ad blocking management.

New Paint zoom control: Larger view.

New Paint zoom control: Smaller view.