To set the opening balance of your portfolio, go to the GeneratorMax dashboard.
Select the blue menu bar on the right hand side (it's a blue bar with three white dots) to reveal the menu:
Select "Modify portfolio" from the menu:
The "Modify Portfolio" screen will be displayed, where you can enter the Opening Balance and select the Update Portfolio button to save any changes:
The Current Balance of your portfolio will be calculated automatically based on your portfolio performance.