On wordpress.com anyone can sign up for a free, hosted site running on WordPress with some limitation. Such as you can able to use only approved there, you can’t install any plugins.
WordPress.org more flexible then wordpress.com. We can download and install on our won server for free, along with any themes and plugins.
Some common features in WordPress:> Posts and pages
> Media library
> Categories and tags
> User roles and profiles
> RSS and Atom feeds
> Clean URLs
> Spam protection
> Automatic upgrades
> Multiple sites from one installation
WordPress has an amazingly user-friendly administration interface. There are:
Rich text editing: WordPress includes the popular TinyMCE editor.
Media uploads and embeds: The content editing screens include a media uploader.
Menu management: You can let WordPress build navigation menus automatically based on your pages in hierarchy.
WordPress extension capable components are:
Themes, determine your site’s appearance and how content is displayed.
Plugins, can add functions, template tags or widgets.
Widgets, are drag-and-drop components that can be added to your site’s sidebars.
Installing WordPress using the Web Interface:1> Download a latest version WordPress from wordpress.org
2> Check the basic requirement of database and PHP version
3> Upload the wordpress folder in host
4> Open WordPress folder using web browser
5> Create a database
6> Click on Let’s go button
7> Set database information Database Name(that previously created), User Name, Password, Database Host and Table Prefix(optional)
8> Click Submit button
9> Click Run the install button
10> Set Needed Information Site Title,Username(Usernames cannot be changed),Password,E-mail(This information is editable) and Check Privacy check box
11> Click on Install WordPress button
You can see Success! Page, So installation is successfully done.