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JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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I found an account under your email and it has 1 form named "How to add Signin and Sign up form in Godaddy online store???"
I'm not sure why you named/labeled it that way, but all you need from our end are the embed codes. Since we have no idea what CMS platform you're using or if you're using the native (built-in) GoDaddy website builder, then using the iFrame Embed method will be the best and easiest way to go.
Here's the complete guide: Getting-the-form-iFrame-code
But first, you should at least build your form. I strongly urge you to refer to our guides, they are complete, detailed, accompanied with screenshots and really helpful: https://www.jotform.com/help/