Linux

With Ryzom Installer

It's in $HOME/.local/share/Ryzom/{ProfileNumber}

With Steam

You'll need to find the SteamLibrary folder where your games are installed (by default it's in C:\Program Files\Steam (x86)\SteamApps\Common), find the Ryzom folder, the save, screenshots ... folders will be here

Windows Vista or older

With Ryzom Installer

It's in C:/Users/{YourName}/AppData/Roaming/Ryzom/{ProfileNumber}. You can access it by typing %appdata% in the start search box

With Steam

?? Steam library + ryzom + save ?

Windows XP

With Ryzom Installer

It's in C:/Documents and Settings/{YourName}/Application Data/Roaming/Ryzom/{ProfileNumber}. You'll need to show hidden folders to see it !

With Steam

Does steam even support XP ??

Mac OS X

With Ryzom Installer

??

With Steam

?? Steam library + ryzom + save ?