We are currently in the process of creating our own custom client, but until then we will provide stable 1.12 and 1.14 versions for our players to utilize.
1.12 (English) - https://www.dkpminus.com/blog/vanilla-wow-download-1-12-1-client/
1.14 (English) - GitHub - 0blu/WinterspringLauncher: All in one launcher! Allows you to play on Everlook.org with 1.14 client without technical knowledge!
1.12 (Chinese) - https://cn.everlook-wow.net/
1.14 (Chinese) - https://cn.everlook-wow.net/