For example, to deploy a Dutch version of the product, use: msiexec /i LANG_LIST=en_US TRANSFORMS=1043.mst /qb Specify both the language code and the language-specific MST on the command line. Set the language with command line properties.dat file is tw1408.dat change it to tw1408.bak. If you want to have the default language, close photoshop, go to C:\Program Files\Adobe\Adobe Photoshop CS5\Locales\\Support Files (understanding that is your default language) and change the extension of the.Home Adobe CS5 language pack Solved: Adobe Photoshop CS5 Language Pack en_GB - Adobe