I want to change my invoice address or name

You can update your billing information through the dashboard Using the menu: Home > Billing details

Once updated, you can download again your invoices by clicking your credit card number.

I have attached a screenshot to help: https://drive.google.com/file/d/1Lc7BeoSRHnBKbw4bl7Qu6DUvbtby2pfb/view?usp=sharing

Detailled documentation here: https://www.linguise.com/documentation/debug-support/billing-edit-credit-card-info-and-invoices/