How can I Change language on my form?

Hi,

You can allow your users to select from different languages using the language picker widget:

http://widgets.jotform.com/widget/language_picker

There are several parts of your form you may need to customize however.  Here is our guide on how to set up your translations:

http://www.jotform.com/help/298-How-to-make-your-forms-multilingual

Let us know if you have any further questions and we will be happy to help.