MultiCharts supports both demo and regular IB accounts.

To use MultiCharts with regular IB accounts:
1. Follow the InteractiveBrokers Online Tutorial

To use MultiCharts with demo IB account:
1. Follow the InteractiveBrokers Online Tutorial
2. Click "New QuoteManager window" toolbar icon.
3. Select Tools -> Data Source -> InteractiveBrokers -> Settings.
4. Uncheck the "Download historical data" check box.