Board Thread:Support Requests - Getting Technical/@comment-1028961-20180527234512/@comment-9605025-20180528014445

Unfortunately, you cannot. There were two skins that gave a "classic" appearance; MonoBook and Uncyclopedia. However, they have been disabled across all of Wikia due to new European regulations. For more information, see Thread:1456214. - Edit:

Apparently the dev wiki has a look-alike solution. It has been mentioned at Thread:1458504.