Looking for logging into the How To Change Screen Lol Beta Client site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the How To Change Screen Lol Beta Client site. After that you can login as usual with your login credentials.
https://boards.na.leagueoflegends.com/en/c/help-support/dHUJwsMR-is-it-still-possible-to-change-your-login-screen-video-and-music
http://forums.na.leagueoflegends.com/board/showthread.php?t=2970279
https://www.reddit.com/r/leagueoflegends/comments/6pwag9/change_login_screen_on_new_client/
https://www.reddit.com/r/leagueoflegends/comments/2d3nx9/change_your_login_screen_easily/
https://lol.garena.com/news/general--client-beta-update-2-replacing-legacy-client
https://support.riotgames.com/hc/en-us/articles/207525756-Setting-custom-League-screensavers-and-wallpapers-League-Displays-
https://www.riftherald.com/lol-gameplay/2018/4/20/17262742/profile-background-lol-champion-change-pbe
https://blitzesports.com/assets/faq.html
https://forums.eveonline.com/t/cant-login-on-2-of-3-accounts-in-launcher-all-fine-on-website/104802
https://ggcircuit.zendesk.com/hc/en-us/articles/115001968173-ggLeap-Change-Log
https://steamcommunity.com/groups/SteamClientBeta/discussions/0/528398719786808328/
https://www.epicgames.com/fortnite/forums/news/announcements/189111-epic-games-launcher-login-problems
https://www.wikihow.com/Play-League-of-Legends-in-Windowed-Mode