Hi Chandu,
Please follow the below steps to create a site in salesforce.
- On the Site.com tab in the Site.com app, click New.
Alternatively, in Site.com Studio, click Create a New Site in the site’s drop-down menu.
- Click Create a Blank Website.
- Enter the site name.
- Click Create.
Your new website opens in Site.com Studio, where you can create page templates and site pages, and add functionality to it.
Hope this helps you.