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# Sitecore OrderCloud Headstart Installation Guide – Part 6
- URL: https://www.gowthamaraja.com/install-sitecore-headstart-part6/
- Published: 2023-02-03T18:30:00.000Z
- Updated: 2025-11-17T10:41:46.000Z
- Author: Gowtham
- Tags: Ordercloud, Sitecore

In this blog we’ll be focusing on setting up the necessary settings for running the Seller UI Application.

- Go to the src\\UI\\Seller\\src\\assets\\appConfigs\\defaultadmin-test.json file.
- Update the necessary values in the file.

```
{
   "hostedApp":true,
   "marketplaceID":"Your_MarketPlace_ID",
   "marketplaceName":"Your_MarketPlace_Name",
   "appname":"Your_MarketPlace_Name",
   "clientID":"Seller_Client_ID_from_Seed_Response",
   "middlewareUrl":"https://my-hosted-middleware.com",
   "translateBlobUrl":"http://127.0.0.1:10000/devstoreaccount1/ngx-translate/i18n/",
   "supportedLanguages":[
      "en",
      "fr",
      "jp"
   ],
   "defaultLanguage":"en",
   "blobStorageUrl":"http://127.0.0.1:10000/devstoreaccount1",
   "orderCloudApiUrl":"Your_Sandbox_URL"
}

```

## Running the Seller UI Application

- Open Visual Studio Code
- From the terminal navigate to src\\ui\\Seller
- Run the below command to install the dependencies of the project

`npm install`

- Run the following command in the terminal to start the seller application after all dependencies have been successfully installed

`npm run start`

- After running the previous command, wait for a few minutes.
- The browser will open with the Seller UI login page.

![running-the-seller-ui-application](https://static.wixstatic.com/media/14fd51_611d98d88c4949c2b17ef5672a71fc1a~mv2.png/v1/fill/w_740,h_404,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/14fd51_611d98d88c4949c2b17ef5672a71fc1a~mv2.png)

- Use the Initial Admin username and password obtained from the Seed request to log in to the Seller UI.
- Upon successful login, you will be redirected to the Seller Admin page.

![logging-in-the-seller-ui-application](https://static.wixstatic.com/media/14fd51_8677ad912bce4ff0a2647e2985647f16~mv2.png/v1/fill/w_740,h_404,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/14fd51_8677ad912bce4ff0a2647e2985647f16~mv2.png)

On our next blog we will be guiding you through the setup and execution of the Buyer UI application.