steamcmd
A command-line version of the Steam client. More information: https://manned.org/steamcmd.
- Install or update an application anonymously:
steamcmd +login
anonymous +app_update
appid +quit
- Install or update an application using the specified credentials:
steamcmd +login
username +app_update
appid +quit
- Install an application for a specific platform:
steamcmd +@sSteamCmdForcePlatformType
windows +login
anonymous +app_update
appid validate +quit