Install and use OSS SDK for Node.js - Object Storage Service

This topic describes how to install OSS SDK for Node.js for uploading, downloading, storing, and managing files in a Node.js application.

Prerequisites

Environment requirements
- We recommend that you use Node.js 8.0 or later.
- For more information about how to download and install Node.js, see Install Node.js.
Check the version of Node.js.
- Execute the following command to check the version of Node.js.
```
node -v
```
- Execute the following command to check the version of npm (Node Package Manager).
```
npm -v
```

Select the SDK version
- If you are using Node.js 8.0 or later, we recommend that you install the latest SDK 6.x.
- If the version of Node.js you are using is earlier than 8.0, we recommend that you install SDK 4.x.
Execute the following command to install the SDK.
- Install SDK 6.x
```
npm install ali-oss@^6.x --save
```
- Install SDK 4.x
```
npm install ali-oss@^4.x --save
```

Execute the following command to check whether ali-oss is installed and view its version information.

npm list ali-oss

The following response indicates that ali-oss is installed.

your-project-name@ /path/to/your/project
└── ali-oss@6.x.x

After you install OSS SDK for Node.js, you need to configure access credentials. For more information, see Configure access credentials.