how to open Firefox browser instead of Internet in vb.net form ?

Set the default browser to Firefox and your program will probably work.

1st of all Set the Default Browser as Firefox and then use this code to open any page in firefox or to link any page.
process.start("Your Web-Page URL")

want to mak WebBrowser1.Navigat by firefox than Internet explorer on form in vb.net

Google does many good things for you. Study this link

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