How do I create a new project site in SharePoint?

Plan out the specific goals and objectives of your project site, including what kind of content and features you want to include.
Create a suitable template for your project site.
Choose the SharePoint environment that best fits your needs.
Set up the site and its content.
Customize the look and feel of your site.
Edit the navigation and additional settings.
Enable task tracking and collaboration tools, if desired.
Test your project site and make sure it’s working properly.
Promote your project site and invite users to participate.