Magento 2 Thai Language Pack
To download and install Thai pack manually, you have to access to your server via FTP or SFTP.
Unzip the compressed file and upload file th_TH.zip into app/i18n/sukit/th_TH/
php bin/magento i18n:pack -m replace -d app/i18n/sukit/th_th/th_TH.csv th_TH && php bin/magento setup:static-content:deploy -f th_TH
Flush cache and clean cache on your Magento 2 store
php bin/magento c:c && php bin/magento c:f
Go to Account Settings -> Account Information -> Interface Locale -> Thai (Thailand) -> Save
Go to Stores -> Settings -> Configuration -> General -> Locale Option -> Locale -> Thai (Thailand) -> Save
It supports all Magento 2 versions
Magento v2.0.x
Magento v2.1.x
Magento v2.2.x
create by : Sukit