This post will help you out with Web Application creation in SharePoint.
So lets get started :)
1. Open Central Admin--> Application management--> Manage web application.
3. Enter value in the field accordingly.As this is a new web application,you will create a new IIS web site,keep allow anonymous access as No.
5. Change URL , Change the name of Application pool and managed account if you want.
7. Click OK and wait while your web application is getting created.Click OK
8. Web Application is created but if you try to browse the Web application.You will get an error.
In my next post we will go thru on how to create site collection.
Happy SharePointing :)