The best possible score is 10.
No specific info about version 1.0. Please visit the main page of CCleaner on Software Informer.
It perfectly cleans my PC.
It cleans me right away.
It's a very-very good tool. Easy to use.
It is a collection of tools that enables you to optimize your PC's performance.
Click&Clean is a useful plug-in for a very popular tool called CCleaner
CCleaner Automatic Update is a great script which allows you to update CCleaner.
It is a program with full capabilities to erase entire hard disk partitions.