There are many programs and apps out there which promise great improvements in your device’s security and speed. While many of them may indeed by valuable products, they often do not have much of a track record behind them.
Rather than roll the dice on such an important concept, it may be better to entrust your digital maintenance needs to a product that has a long record of doing exactly what they say they will do for you. Any CCleaner review that you find online is going to have nothing but enthusiastic things to say about the product. It is readily available at a price that anyone can afford. Free, in other words.
Just as good, it installs easily and gets right to work. You will notice the difference on your system immediately and that means right away. You have nothing to lose except for a boggy, malware-crippled system so give it a shot.