Gadget export
To export the DeluxeHistory gadget, click on "Pakua" 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:
* DeluxeHistory[ResourceLoader|rights=move|type=general]| Objects.js|DeluxeHistory.js|DeluxeHistory.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.