For a complete installation of BreezingForms in Wordpress, there are different possiblilities. Please have a look at these instructions:

Installation from within backend (free version only)

* In plugin manager, click "Add New"
* Search for "breezingforms"
* Click "install"
* Activate the plugin once it is installed
* Click on "BreezingForms" from the left menu and follow the instructions to complete the installation

FTP upload installation method

* Upload the breezing-forms folder to the /wp-content/plugins/ directory using your FTP client
* Activate the plugin through the 'Plugins' menu
* Go to the BreezingForms menu, finish the installation and create a new custom form or install the sample form package that ships with BreezingForms
* Use shortcode [breezingforms name="FORM NAME"] in pages and posts. Use the editor helper to create shortcodes with more options.
* Or add a new Widget and select the forms to display

Zip upload installation method

* Make sure uploads up to 5MB are allowed for your hosting
* Login to your WordPress site administrator panel and head over the 'Plugins' menu
* Click 'Add New'
* Choose the 'Upload' option
* Click Choose file (Browse) and select the breezing-forms.*.zip file.
* Click Install Now button.
* Once it is complete, activate the plugin.
* Go to the BreezingForms menu, finish the installation and create a new custom form or install the sample form package that ships with BreezingForms
* Use shortcode [breezingforms name="FORM NAME"] in pages and posts. Use the editor helper to create shortcodes with more options.
* Or add a new Widget and select the forms to display.

Minimum requirements:

WordPress 3.0+
PHP 5.x
MySQL 4.x+