Update CLI and first steps documentation

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# Command Line Interface (CLI)
# 🖥️ Command Line Interface (CLI)
## Overview

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import ZoomableImage from "/src/theme/ZoomableImage.js";
# First steps
# 🚀 First steps
## Installation

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# 👋 Welcome to Langflow
Langflow is an easy way to create flows. The drag-and-drop feature allows quick and effortless experimentation, while the built-in chat interface facilitates real-time interaction. It provides options to edit prompt parameters, create chains and agents, track thought processes, and export flows.
Langflow is an easy way to build from simple to complex AI applications. It is a low-code platform that allows you to integrate AI into everything you do.
import ThemedImage from "@theme/ThemedImage";
import useBaseUrl from "@docusaurus/useBaseUrl";
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}}
style={{ width: "100%" }}
/>
import ZoomableImage from "/src/theme/ZoomableImage.js";
## 🚀 First steps
## Installation
Make sure you have **Python 3.10** installed on your system.
You can install **Langflow** with [pipx](https://pipx.pypa.io/stable/installation/) or with pip.
Pipx can fetch the missing Python version for you, but you can also install it manually.
```bash
pipx install langflow --python python3.10 --fetch-missing-python
# or
pip install langflow -U
```
Or you can install a pre-release version using:
```bash
pipx install langflow --python python3.10 --fetch-missing-python --pip-args="--pre"
# or
pip install langflow --pre -U
```
### ⛓️ Running Langflow
Langflow can be run in a variety of ways, including using the command-line interface (CLI) or HuggingFace Spaces.
```bash
langflow run # or langflow --help
```
#### 🤗 HuggingFace Spaces
Hugging Face provides a great alternative for running Langflow in their Spaces environment. This means you can run Langflow without any local installation required.
The first step is to go to the [Langflow Space](https://huggingface.co/spaces/Logspace/Langflow?duplicate=true).
Remember to use a Chromium-based browser for the best experience. You'll be presented with the following screen:
<ZoomableImage
alt="Docusaurus themed image"
sources={{
light: "img/duplicate-space.png",
dark: "img/duplicate-space.png",
}}
style={{ width: "100%" }}
/>
From here, just name your Space, define the visibility (Public or Private), and click on `Duplicate Space` to start the installation process. When that is done, you'll be redirected to the Space's main page to start using Langflow right away!
Once you get Langflow running, click on New Project in the top right corner of the screen. Langflow provides a range of example flows to help you get started.
To quickly try one of them, open a starter example, set up your API keys and click ⚡ Run, on the bottom right corner of the canvas. This will open up Langflow's Interaction Panel with the chat console, text inputs, and outputs.
### 🖥️ Command Line Interface (CLI)
Langflow provides a command-line interface (CLI) for easy management and configuration.
#### Usage
You can run the Langflow using the following command:
```bash
langflow run [OPTIONS]
```
Find more information about the available options by running:
```bash
langflow --help
```
Or you can visit the [Langflow CLI documentation](./cli) for more information.