1.delete your old crpg folder it should be located at :
C:\Programs\Steam\SteamApps\common\mountblade warband\Modules\cRPG
2. download the new version (0.223)
http://www.mbrepository.com/file.php?id=22473. place the cRPG.zip file in your Steam module folder
C:\Programs\Steam\SteamApps\common\mountblade warband\Modules
4. unzip it and there you got the new cRPG file

cya at the battlefield