To get started, log in to your OSI account. From the dashboard, click on Set Up Software and then Use my Domain.

You can now easily sign up with your store.

Step 3. Go back to your dashboard, select Configure Sign Up Page, and then select customize.

Step 4. You will be on the Page Details tab. Here you can upload your Logo or paste a logo link. 

Below that, you can modify the Right side Heading & Text. 

Change Text on Left Side of Sign Up Page.

Step 5. After updating Page Details, you need to click on Configure Form fields to add new Fields or Update existing Fields/Positions. You can edit and delete an existing fields. Click reorder fields and a video will show that you can re-order fields. 

You can also change the attribute of each field by clicking the blue pencil icon.