Set a tracking URL for each post
You can set a tracking URL for each by using the Tracking URL field in the Video information box in your post admin:
Set the tracking URL for every posts
In your WP admin, go to WP-Script > Theme Options > Content > Video page tab and scroll down to Tracking buttons settings:
Then you will be able to set a URL for every tracking buttons displayed under each video. Don't forget to save changes at the top right.
Set the tracking button anchor
You can set the name of the link for the tracking button (eg. Download complete video now!) right next to the previous option:
Here's the result for example on RetroTube theme: