Adding Excel Add-In
Go to www.quantum4d.com/download and download the Quantum4D Excel Add-In:

Go to the Excel Options (Start Menu>Excel Options), click the Add-Ins tab
Make sure Excel Add-Ins is chosen in the Manage field and click Go:

Click Browse and locate the Add-In file:


Click the Add-Ins tab and you should see the Quantum4D Add-In:
