To customize Odoo, you must first activate developer mode. Once you enter this mode, Odoo will provide you with a lot more onscreen information as you navigate through the interface. This mode also allows you to make changes to the database and store that information in a file.
To activate developer mode, click on the Settings menu. On the far right you will see a panel that contains information about the Odoo installation. At the bottom of the panel, you will see the link to Activate the developer mode:
Once you have entered this screen, you can click on Activate the developer mode to begin customizing Odoo.
Odoo recognizes that you are in developer mode by adding ?debug=# to the URL in your web browser. Additionally, Odoo changes the information that is provided when you hover over various fields in the interface. For example, when viewing a sales...