Before installation, ensure your system meets the baseline hardware and software needs for Office 2013.
Your Office 2013 license does not support multilingual UI (e.g., Single Language Edition). Solution: Office 2013 Single Language Edition (e.g., English only) cannot accept language packs. You need Office Professional Plus, Standard, or a volume license version. Upgrade your Office license. office 2013 thai language pack
If you are looking to set up the Thai language pack, here is the simplified process outlined by experts: Download the Correct Version Before installation, ensure your system meets the baseline