You will have to use Featured Plugin by NoahY. Download and upload it to qa/plugin and add the Question id in the space given in Admin Center/plugins.
Download it from here: http://www.question2answer.org/qa/11506/featured-questions-plugin
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.
July 15, 2020: Q2A 1.8.5 released!