Steps that needs to be followed:
1) Browse C:\WINDOWS\system32\drivers\etc
2) Find the file named "HOSTS"
3) Right click on it and click properties
4) Remove the check mark from "read Only"
5) Save it, and open it as notepad.
6) Add "127.0.0.1 www.xyz.com"
7) Save the file.
8) Right click on the HOSTS file again and put a check mark on the read only.
