Log in to your WordPress Dashboard, click on Plugins, then “Add new”, then click “Upload Plugin”
Using the file browser, find the .zip file on your computers hard drive
Click “Install Now”
The plugin will be uploaded to your site and installed
Click “Activate Plugin”. You will be directed to a page to insert your License Key (check your email!).
If you don’t have Easy Digital Downloads installed, you will want to also get this Plugin from the WordPress plugin directory (Free), install & activate it.