You can use the built in installer and upgrader, or you can install the plugin manually.
You can either use the automatic plugin installer or your FTP program to upload it to your wp-content/plugins directory the top-level folder. Don't just upload all the php files and put them in /wp-content/plugins/.
Activate the plugin through the 'Plugins' menu in WordPress
Configure any settings from "Settings > One Page Portfolio".
Add a page for your portfolio display, then add a shortcode [opp] to this page.
Requires: 3.1 or higher Compatible up to: 3.5.2 Last Updated: 2013-5-8 Active Installs: