1. Navigate to https://copilotstudio.microsoft.com/
2. Click here.
3. Click New Copilot.
4. Insert the Name.
5. Click the "Describe your copilot" field.
6. Click "Create".
7. Click this icon to Test the CoPilot.
8. Click "Settings".
9. Click "Generative AI".
10. Click "Classic - Build topics which are used to respond to user queries, and are matched to the example trigger phrases you have provided (in classic m..."
11. Click "Languages".
12. Click "Add Languages".
13. Click the "Search" field.
14. Type "Hindi".
15. Then select Hindi (India) (hi-IN).
16. Click "Add Languages".
17. Click "Upload".
18. Click "Download localization file as JSON".
19. Click "Browse".
20. Once you have the JSON downloaded, make changes in the JSON file as per the localization language.
21. Click "Upload translation updates".
22. Click "Update localizations".
23. "Localizations updated Successfully."
24. Click "Close".
25. Click the ellipsis(...).
26. Click "Language English (United States) (en-US)".
27. Click "Hindi (India) (hi-IN)".
28. Click the "Ask a question or describe what you need" field.
29. Write Thanks and Click this button.
30. As you can see the Hindi response from Copilot BOT.
31. Type "Thank you" and Click this button.
Conclusion
By using this step-by-step guide you can make Microsoft CoPilot that supports multiple languages.