Step 1: Installing the WordPress Random Post.1.1 Minimum requirements.
- WordPress 3.0 +
- PHP 5.x
- MySQL 5.x
1.2 Perform a new installation.
- Login to your WordPress site and head over the 'Plugins' menu.
- Click 'Add New'.
- Choose the 'Upload' option.
- Upload the downloaded ZIP file.
- Once it is complete, activate the plugin.
Go to your Downloads folder and locate the folder with the plugin. Right-click on the folder and select Compress. Now you have a newly created .zip file which can be installed as described here.