# Point of Sale App #### Getting Started with POS App on Pax E800 Terminal Retailcloud’s Point of sale app on E800 provisioned through the Paxstore is one of the fully fledged POS software available for E800. PAX E800 with retailcloud is easy to setup and get going. {% hint style="info" %} To setup Pax E800 terminal, contact [**support@retailcloud.com**](mailto:support@retailcloud.com) {% endhint %} Provide the below information to retailcloud support 1. E800 Serial Number starting with 115xxx ( Sticker back of the device ) 2. Q20L Serial Number starting with 114xxx ( Sticker back of the device ) 3. Payment Processor Information ( See the section [**PAX Terminals Pre-requisite**](/hardware/all-in-one-point-of-sale/pax-terminals-pre-requisite.md) for specific details on each processors ) 4. Verification of paxstore URL inside the Q20L for Activation process ( Refer Activation Process ) Once the terminal is successfully registered the available applications in the paxstore will display on the terminal and can manually select an application from the terminal and manually initiate the download. 1. Power On the terminal 2. Open Pax Store 3. Find the ZeroPOS App 4. Register & Login to the POS --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://retailcloud.gitbook.io/hardware/all-in-one-point-of-sale/pax-e800/untitled-1.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.