Have you tried the steps in Adjust the install language | Creative Cloud applications | CCM
Try http://helpx.adobe.com/creative-cloud/kb/change-installed-language.html
Regards
Rajshree
Have you tried the steps in Adjust the install language | Creative Cloud applications | CCM
Try http://helpx.adobe.com/creative-cloud/kb/change-installed-language.html
Regards
Rajshree