Looking for logging into the Steam Guard 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 Steam Guard site. After that you can login as usual with your login credentials.
https://store.steampowered.com/login/?l=thai
https://store.steampowered.com/login/
https://support.steampowered.com/kb_article.php?ref=4020-ALZM-5519&l=thai
https://support.steampowered.com/kb_article.php?ref=4020-ALZM-5519
https://help.steampowered.com/login/
https://store.steampowered.com/mobile?l=thai
https://support.steampowered.com/kb_article.php?ref=8625-wrah-9030
https://support.steampowered.com/kb_article.php?ref=3658-TPXM-3237&l=thai
https://gaming.stackexchange.com/questions/319392/steam-guard-requires-a-steam-guard-code-to-login
https://www.youtube.com/watch?v=Lz--Jq3p8u4
https://steamcommunity.com/discussions/forum/1/357287935561989967/
https://steamcommunity.com/discussions/forum/1/282992562608877702/
https://steamcommunity.com/discussions/forum/8/1693788384141540351/