Install CCleaner:

 

Download CCleaner from Here.

 

Select the Download CCleaner now...

 

Select to download from site.

 

Select Download latest version.

 

Right click on the yellow bar and select download now to start the download.

 

Select Run to install the program once the download is complete.

 

Now that it has downloaded select Run to start the install.

 

Select the language and press OK.

 

Close other applications running on your computer and press Next.

 

Select I Agree to the agreement to continue.

 

Press Next to accept the default install location.

 

If you don't want to install the Yahoo Toolbar deselect the checkbox and press Install.

 

You have now finished installing CCleaner.

Here is a step-by-step guide on using CCleaner