Gadget export
To export the formWizard-core gadget, click on "Download" button, save the downloaded file, go to Special:Import on the destination wiki and upload it. Then add the following to MediaWiki:Gadgets-definition page:
* formWizard-core [ResourceLoader |hidden |dependencies=mediawiki.api, mediawiki.cookie, mediawiki.ui, mediawiki.user, jquery.chosen, jquery.ui, user.options] |formWizard-core.js |formWizard.css
You must have appropriate permissions on the destination wiki (including the right to edit system messages) and import from file uploads must be enabled.