When order get proceed on Odoo shop, One step Checkout will not have multiple process like checkout, delivery and billing process. All these process have different pages on website . We have managed all this process in single page as checkout method with this Odoo apps. After installing this Odoo module on odoo webshop user will not redirected to other pages everything need to be fill-up on one page/single page with different section.

Once the customer fills all the details and clicks on confirm which is shown below in figure.

After clicking on confirm which is explained above, he won't be redirected to another page instead on the same page he will find 'Pay Now' option with the Payment method which is shown below in the figure.