In PHP Introduction we knew about PHP. So we can easily understand this article. Already we have collected Client Softweres. Now we are going to install them. Install apache and also install mysql for database management. These all softweres are free. Download easily softwere from this link https://www.apachefriends.org/download.html . If we install this we get total pack we don't need to install them singlely. The name of the softwere is XAMPPDownload and install it. After completing installation we will see a XAMPP icon in our desktop. Find it from desktop or you get XAMPP Control Panel icon into XAMPP installation folder. Now open XAMPP Control Panel and click on start button (Apache & MySql). After opening Apache & MySql open you web browser and type http://localhost into address bar. If you look like this page that means your localserver run correctly otherwise reinstall softwere or you can use other local server. There are many localserver like XAMPP (X[Cross Platform] Apache MySQL PHP Perl). You can also use WAMP (Windows Apache MySQL PHP) , MAMP (Mac Apache MySQL PHP) , LAMP (Linux Apache MySQL PHP) and many more. I fell comfort to use WAMP. When you install XAMPP open installation folder like C:\\\\\\\\\\\\\\\\XAMPP or D:\\\\\\\\\\\\\\\\XAMPP you will find htdocs folder and open it. It's our project directory our all project will be held on this.