Create a New Web Application From Central Administration

1. From CA Click on Application Management
2. Click on Manage web applications
3. New in the ribbon
4. Select Clasic Mode Authentication
5. Select Create a New IIS web site
6. Enter Port No or Use Default (65535)
7.Select NTLM option
8. Allow Anonymous (No)
9. Use Secure Socket Layer (No)
10. Pbulic URL as Default
11. Select Create new application pool
12. Configuarable ( Default System Administrator ex:  Mohan\ Administrator)
13. Enter Database server name
14. Enter Database name or use default
15. Select authentication type (Enter related username and password)
16. Service Application Connections (Default)
17. Customer Experience Improvement Program (No)
18. Click On Ok

You will get message Web Application Created, and you find a link (Create Site collection), Click on it.

1. Enter Title and Description
2. Select Template ( Default, Collabaration and Team Site)
3. Enter Primary Site collecction Administrator
4. Quota Template (No Quota).

Click on ok

You will get Top-Level Site Succesfully created and you find your web application url click on it. Enter the authentication credentials and click ok.