Answers: CCLeaner for free
http://www.ccleaner.com
PCTools Maestro for cost
http://www.pctools.com/desktop-maestro/
You can do that on your computer by right clinking on my computer and jump to properties and next tools and choose disc cleanup or click scan and repair my knotty drive.
after reboot and consent to it do it.
defragment , disk checkup and run thorough virus scan once a week..Ur PC will be faster..if Ur even using Internet next clear cookies , interim Internet files..
or newly install ccleaner..but it wont defragment Ur PC..
http://onecare.live.com/site/en-us/defau...
Unless you are moving millions of files to and from your computer on a weekly principle, flaccid your butt out your bedroom pane and farting will do as much as defragmenting your IDE sturdy disk once weekly to bring in it faster.
This is the best free online tool to check the observation of your PC and tips to revolutionize ,
http://hubpages.com/hub/The_Best_Free_On...
Using a registry cleaner can clean up your computer and next build your computer faster,Why?the drive is that near may be some regsitry errors and remnant,corrupt files and temp files within your computer to effect "computer slow".
Everytime you install and uninstall software on your computer and surfing online you create unwanted items surrounded by the computer registry.over time, the registry can grow to titanic proportions, especially if the different programs you've installed do not do a obedient errand of delete and/or updating it's Registry entries.You stipulation to scan and verbs your computer beside registry cleaner to construct it speedy.Good Regisry Cleaner will raise your computer and Internet presentation dramatically!It even can speed up your computer by 300% or more!
There are some comparison and review of TOP 5 registry cleaners.
http://www.speeduppc.info/
You can download and scan your computer for free.
Check
http://www.pc-optimizer-pro.com
With pc optimizer pro you can without risk verbs, repair and optimize your computer.
It will facilitate promote your system rite minus expensive hardware upgrades.
Good luck!
Try this computer speedup tool:
http://boost-pc-performance.info
It works particularly okay.