Users from various countries are using Cool Timeline pro and if you are one of them do not worry about the language as Cool timeline pro has already been translated to many languages.
The plugin is translation ready, please follow the steps below:
Cool Timeline pro has already translated into ( German, Spanish, Indonesian, French, Italian ) languages.
If you would like to translate in your own language. You have to just generate PO and MO files from a cool-timeline.pot file.
You can generate these files using Loco Translate plugin.