Follow these steps to install Quantum XL, SPC XL, DOE Pro XL, or SimWare Pro on your Windows PC.
You received the software installer either by download or by physical CD shipment.
You will need your license key (CD Key) to complete the installation. If you can't find your license key, see How to Find Your License Key.
After installation completes, open the Windows Start menu and search for the application by name (e.g. "Quantum XL").
If the add-in doesn't appear in the Excel ribbon after installation:
Still stuck? Visit our Support page for more troubleshooting articles.