1.Edit C:\Windows\System32\Drivers\etc\hosts

  Expand with:

 127.0.0.1 www.test.com

 127.0.0.1 www.test2.com

2.Edit xampp\apache\conf\extra\httpd-vhosts.conf

  Add contents like:

 NameVirtualHost *:80



 <VirtualHost *:80>

   DocumentRoot /xampp/htdocs/test

   ServerName www.test.com

 </VirtualHost>



 <VirtualHost *:80>

   DocumentRoot /xampp/htdocs/test2

   ServerName www.test2.com

 </VirtualHost>

3.Allow access a directory not xampp

 <VirtualHost *:80>

   DocumentRoot D:\test

   ServerName www.test.com

   <Directory D:\test>

     Order allow,deny

     Allow from all

   </Directory>

 </VirtualHost>