How do I use radio button for link , supose I have 2 linke from jotform . And if I want open 1 of the 2 links from another jot form?

You can use the Change Thank You page URL based on a condition. It means that your user will be redirected depending on which radio button that is selected. 

Here's a guide: https://www.jotform.com/help/317-Change-Thank-You-Page-URL-Based-on-a-Condition

I hope that help.