Download, unzip and just get the registration code from the included .txt file:
http://files.giveawayoftheday.com/PrivacyEraserPro220.zip
Download the original installer:
http://www.cybertronsoft.com/download/privacy-eraser-setup.exe
Enter registration name: giveawayoftheday
Enjoy. 
Kind regards, REBOL.
At the moment, the link still seems to be active, just in case you’re interested in getting the pro version for free.
Remember to use the original installer, else it won’t probably work anymore.
Not totally unlike CCleaner, with nice plugin abilities. Has been around for quite some years as well.
Kind regards, REBOL.