what do I need to do to get my invoice #12588?
I've understood, you need assistance with retrieving your invoice number {{Invoice Number}}. To access your invoice, you can follow these steps:

1. Log in to your account on our website or app.
2. Navigate to the "Billing" or "Invoices" section.
3. Look for the tab or option labeled "Download Invoice" or similar.
4. Enter your invoice number {{Invoice Number}} when prompted.
5. Click on the "Download" button to save a copy of your invoice.

If you encounter any difficulties or have further questions, please don't hesitate to let me know. I'm here to help every step of the way!