Multi-language support is a feature that allows users to switch between different languages within an application. This is particularly useful for businesses or organizations that have multiple locations, customers, or employees who speak different languages. The process of enabling multi-language support in Tally ERP 9 is relatively straightforward. First, you'll need to open the "Multi-Lingual Features" option from the "F11: Features" menu. Next, you'll need to select the "Activate Multi-Lingual" option, which will allow you to select the language that you want to add to Tally ERP 9. Once you've chosen a language, you'll be presented with all the available language packs, which you can then add with a simple click. Once all the language packs have been added, you can easily switch between them within the same application.