Sources

Primary and supporting material used to study Metro and Windows Phone. Archived and mirrored copies are labeled.

Microsoft material

Start-screen evidence methodsWP8.1 emulator · 23 scenario IDs · release-tagged raw evidence and limitsPublished evidence
Codename “Metro”Windows Phone Design SystemArchived PDF · 2010
UI Design and Interaction GuideWindows Phone 7 · version 2.0Third-party mirror · 2010
Design Language of Windows Phone 7Microsoft design tutorialArchived
UX/UI GuidelinesWindows Phone guidanceMicrosoft archive