# FAQS

* [How do I extract files in Windows?](/olo-full-app/faqs.md#how-do-i-extract-files-in-windows)
* [Can we buy only specific parts of OLO app backend? like api server etc.](/olo-full-app/faqs.md#can-we-buy-only-specific-parts-of-enatega-app-backend-like-api-server-etc)
* [How else can i use this product?](/olo-full-app/faqs.md#how-else-can-i-use-this-product)
* [Does it support localization?](/olo-full-app/faqs.md#does-it-support-localization)
* [How is the order tracked?](/olo-full-app/faqs.md#how-is-the-order-tracked)
* [What is Amplitude dashboard?](/olo-full-app/faqs.md#what-is-amplitude-dashboard)
* [How is payment Setup with Expo?](/olo-full-app/faqs.md#how-is-payment-setup-with-expo)

### **How do I extract files in Windows?**

I want to extract files in Windows.\
**Solution:** \
• Unzip the file.\
• Right click on the extracted file and select **View files**.\
All the files will be extracted.<br>

### **Can we buy only specific parts of OLO app backend? like api server etc.**

\
No, we don't provide any specific part of the code base . As our code base is coupled with each other .

### **How else can I use this product?**

\
You can use this app to build various other apps of same kind of variation for example instead of food you can add any other item that you want for example food ordering app can be a rice ordering app by changing names of items and images.

### How is the order tracked?

When an order is made the order notification is sent to admin dashboard from where he can accept or cancel the order. The user is notified in the mobile app that is push notification.

### How is payment Setup with Expo?

For Payments we have used two of the most popular Gateways Paypal and Stripe. For both payment Gateways [WebView](https://facebook.github.io/react-native/docs/webview) is used to integrate payment. Paypal and Stripe have been configured by us to support multiple currencies dynamically that is currencies entered from Web Dashboard. They both function by showing the user checkout page in [WebView](https://facebook.github.io/react-native/docs/webview) a token is generated after the user performs payment successfully that is in Stripe. In Paypal the process is different which is described in the links below.

* <https://medium.com/@adityasingh_32512/integrating-paypal-in-your-react-native-app-4dcf89e11dd>
* <https://github.com/briansztamfater/expo-stripe-checkout>
* <https://github.com/paypal/PayPal-node-SDK>
* <https://github.com/stripe/stripe-node>


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