what do I need to do to download the invoice #12588?
I comprehend your need to download the invoice with the number #{{Invoice Number}}. To download the invoice {{Invoice Number}}, you can follow these steps:

1. Login to your account on our website.
2. Navigate to the "Billing" or "Invoices" section.
3. Look for the invoice with the number {{Invoice Number}}.
4. Click on the download button next to the invoice.
5. The invoice should now be downloaded to your device.

If you encounter any issues or need further assistance, feel free to let me know. I'm here to help!