Hi, To download the SDK you'll need to log into the Esri Customer Care portal: https://customers.esri.com/�??. Once you've downloaded the setup, the installation instructions should tell you everything you need to know: http://resources.arcgis.com/en/help/runtime-wpf/concepts/index.html#/Installation_and_setup/01700000006w000000/. Cheers Mike Tank you for your reply, But when I trey to access to the provided link https://customers.esri.com/�??. the following message is shown, Not Found The requested URL /â�?�Ž was not found on this server. ArcWS/4.0.20 Server at customers.esri.com Port 443 Please help me to resolve this problem Thank you dissanayake
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