# Pre-Requisites

**For Node.js:**

```bash
node --version
```

If Node.js is installed, this command will output the version of Node.js installed on your system. If Node.js is not installed, you will likely see an error message stating that the command `node` is not found.

**Also, Ensure that Node.js version 18 is installed on your system.**

```bash
nvm install v18
nvm use v18
```


---

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://l1x-sdk.gitbook.io/l1x-developer-interface/interface-essentials/l1x-evm-sdk/pre-requisites.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
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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.
