1. Log in to https://app.viresmo.com. Select your organisation and your store.
2. In the menu on the left, go to "Overwrite Codes".

3. You will see a list of all your overwrite codes.
4. Click on the row or the button “Select” for the overwrite code you wish to modify. Can't find the overwrite code? Use the search field at the top of the list to easily find the overwrite code.

5. You will arrive at the overwrite code's detail page. You can modify the name and the code.

Attention, obvious codes such as "123456" or "778899" will not be accepted. If you enter this anyway, you will see an error message.

6. Click on “Save” to save your changes.

7. When modified successfully, you will see a notification at the bottom right.