The AppID is the number in the game's URL; the FileID is the number in the mod's URL.
Your Workshop ID is wrong. Double-check the URL. Also, ensure you are using workshop_download_item <gameID> <modID> in SteamCMD, not reversed. how to download steam workshop mods without game
Several websites let you download Workshop files by pasting the mod’s URL: The AppID is the number in the game's
SteamCMD is a command-line version of Steam. It’s official, safe, and works even for games you don't own (provided the mod uploader allowed "anonymous" downloads). Download SteamCMD from Valve and extract it. The Commands: Run steamcmd.exe . Type login anonymous . Type workshop_download_item . Download SteamCMD from Valve and extract it
SteamCMD is Valve’s command-line tool for downloading Steam content, including Workshop items.
Locate the URL of the Steam Workshop mod you want to download in your browser.