How long will it take for the steam platform to log in too many times in a short time?

24 hours. According to the regulations for querying the steam platform, if the login fails too many times in a short time, the steam platform will be locked, and it will take 24 hours to log in again. Steam platform is an Internet-based game distribution and sales platform developed and operated by ValveCorporation. It is a global digital store, providing a large number of games, software, music, movies, TV programs and so on.