1. Create a practice company 'Sharma Traders (Practice)': state, FY 1-Apr-2026, books from 1-Apr-2026.
2. F11 Features: enable Maintain Inventory, Enable GST (with your state), Maintain bill-wise details, Enable cost centres if needed.
3. Set a TallyVault/security password only on real data and store it safely.
4. Take a backup (Data > Backup) to a separate folder.