c# launch browser code example
Example 1: open url in c#
var uri = "https://www.google.com";
var psi = new System.Diagnostics.ProcessStartInfo();
psi.UseShellExecute = true;
psi.FileName = uri;
System.Diagnostics.Process.Start(psi);
Example 2: c# open web page in default browser
System.Diagnostics.Process.Start("http://google.com");