# Installation
## To install using Package Manager
Wepin Widget Javascript SDK can be installed an an npm package.
{% hint style="info" %}
This package can only be used in web environment. It cannot be used in Android or iOS hybrid apps (Webview).
{% endhint %}
Enter the following `npm install` command in the terminal.
```shell
npm install @wepin/widget-sdk
```
Once the installation is complete, you can confirm that it has been added to the "dependencies" section in the package.json file.
```json
{
"name": "wepin-widget-test-app",
"version": "1.0.0",
"description": "Wepin Widge Test App"
"main": "app.js",
"author": "honggildong@test.wepin.io",
"dependencies": {
"@wepin/widget-sdk": "^1.0.0"
}
}
```
Once the installation is complete, you can prepare to use Wepin by inserting your App ID and App Key and calling the init function as shown below.
// 1. import SDK
import '@wepin/widget-sdk'
const testAppKey = 'ak_test_ghq1D5s1sfG234sbnhdsw24mnovk313' // Test App Key
const testAppId = 'app_id_eg12sf3491azgs520' // Test App ID
// 2. Initialize
const Wepin = window.Wepin
const wepin = await Wepin.init(
testAppId,
testAppKey
)
## To install using `
```
---
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