To download version 1.2 of the ArcGIS API for Microsoft Silverlight/WPF, do the following:

  1. Sign in to the ArcGIS Resource Center (click on the "Sign In" link in the upper right corner of this page if not already signed in).
  2. Go to the ArcGIS API for Microsoft Silverlight/WPF download page and accept the license agreement.
  3. Click the Download link to the download the setup.