Prerequisite You should have installed Node.js (version 18.10.0 or higher).
Step 1. Install Mintlify on your OS: 
npm i -g mintlify
Step 2. Go to the docs are located (where you can find mint.json) and run the following command: 
mintlify dev
The documentation website is now available at http://localhost:3000.

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Custom Ports

Mintlify uses port 3000 by default. You can use the --port flag to customize the port Mintlify runs on. For example, use this command to run in port 3333: 
mintlify dev --port 3333
You will see an error like this if you accidentally run Mintlify in a port that’s already taken: 
Error: listen EADDRINUSE: address already in use :::3000

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Mintlify Versions

Each CLI is linked to a specific version of Mintlify. Please update the CLI if your local website looks different than production. 
npm i -g mintlify@latest

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Deployment

Unlimited editors available under the Startup Plan
You should see the following if the deploy successfully went through:

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Troubleshooting

Here’s how to solve some common problems when working with the Mintlify CLI.
Update to Node v18. Run node --version to see your version.
Go to the C:/Users/Username/.mintlify/ directory and remove the mint folder. Then Open the Git Bash in this location and run git clone https://github.com/mintlify/mint.git.Repeat step 3.
Try navigating to the root of your device and delete the ~/.mintlify folder. Then run mint dev again.
Curious about what changed in a CLI version? Check out the CLI changelog.