LWC View On Local Server

1. Open a new terminal window and run the following command to install the local development server.
sfdx plugins:install @salesforce/lwc-dev-server

2. Check for updates to the local development server.
sfdx plugins:update

3. Navigate to your SFDX project, or clone one that has Lightning web components.
In this example, we are using lwc-recipes (you can download and deploy to your org).
git clone git@github.com:trailheadapps/lwc-recipes.git

4. if you have Existing LWC Components then goto that directory. In this example If you're not in the lwc-recipes root directory already, cd into it.
cd lwc-recipes

5. Use the following command to host Local Server :
sfdx force:lightning:lwc:start

6. View the server at http://localhost:3333/.

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