Hi! Unfortunately, the official Shopify POS app is only available for iOS and Android devices, so it won’t work directly on a Windows device like your Microsoft Surface.
However, you can use our LamaPOS app, which is specifically designed for Windows (and also supports macOS). LamaPOS integrates seamlessly with Shopify and allows you to manage in-store sales from your Windows PC.
To try LamaPOS for your second store, you can reach out to us at support@lamapos.com. We’ll provide you with a demo version and help you with the setup process.
If you have any other questions or need further assistance, feel free to ask!