For many systems, language packs are available as Optional Updates . You can find them by searching for "Windows Update" in the Start menu and selecting "Check online for updates".
For legacy support, the Internet Archive hosts 32-bit (1.4GB) and 64-bit (1.7GB) language pack ISOs that contain the full suite of supported languages. Available Languages windows embedded posready 7 language pack download
Chinese (Simplified/Traditional), Korean, Thai, Vietnamese. For many systems, language packs are available as
Bulgarian, Czech, Danish, Dutch, Estonian, Finnish, Greek, Hungarian, Latvian, Lithuanian, Norwegian, Polish, Portuguese (Brazil/Portugal), Romanian, Russian, Slovak, Slovenian, Swedish, Turkish, Ukrainian. Middle Eastern: Arabic (Saudi Arabia), Hebrew. Installation Steps For many systems