You can install XO Booking as any normal Shopify app. Ignore if you are familiar with install steps.
- From the XO Booking Shopify app page, click on the Add app button.
- Click Install app, this will install the XO Booking app to your store.
After the installation app panel will be embedded to your Shopify Apps page.
Enable XO Booking in theme
Go to your Shopify stores's themes and click on the Customize button
then select App embeds, and enable XO Booking.
Now, you will be able to add XO Booking widget to the page of your Shopify store.