CCleaner is a system optimization, privacy and cleaning tool. It removes unused files from your system allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history. Additionally it contains a fully featured registry cleaner.
- Download and install the Latest Free Version of CCleaner
- Turn off your Internet Connection (This is important,otherwise keys will not work)
- Launch CCleaner
- Go to Options > About and Click Upgrade to PRO button
- Enter your name and a serial key given below
- Click Register and You’re Done